Home / 711,015.70-1,066,523.55-522,058.90

Finding the Fourth Proportional to 711,015.70, 1,066,523.55 and 522,058.90

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Solution

The fourth proportional to 711,015.70, 1,066,523.55 and 522,058.90 is: 783,088.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,015.70 : 1,066,523.55 = 522,058.90 : x
  2. Step 2: Convert to fraction form
    711,015.70/1,066,523.55 = 522,058.90/x
  3. Step 3: Cross multiply
    711,015.70x = 1,066,523.55 × 522,058.90
  4. Step 4: Simplify right side
    711,015.70x = 556,788,111,337.10
  5. Step 5: Solve for x
    x = 556,788,111,337.10/711,015.70
  6. Step 6: Final answer
    x = 783,088.35

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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.