Home / 711,011.70-1,066,517.55-522,054.90

Finding the Fourth Proportional to 711,011.70, 1,066,517.55 and 522,054.90

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Solution

The fourth proportional to 711,011.70, 1,066,517.55 and 522,054.90 is: 783,082.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,011.70 : 1,066,517.55 = 522,054.90 : x
  2. Step 2: Convert to fraction form
    711,011.70/1,066,517.55 = 522,054.90/x
  3. Step 3: Cross multiply
    711,011.70x = 1,066,517.55 × 522,054.90
  4. Step 4: Simplify right side
    711,011.70x = 556,780,712,913.50
  5. Step 5: Solve for x
    x = 556,780,712,913.50/711,011.70
  6. Step 6: Final answer
    x = 783,082.35

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.