Home / 711,705.40-1,066,002.90-552,686.20

Finding the Fourth Proportional to 711,705.40, 1,066,002.90 and 552,686.20

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Solution

The fourth proportional to 711,705.40, 1,066,002.90 and 552,686.20 is: 827,821.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,705.40 : 1,066,002.90 = 552,686.20 : x
  2. Step 2: Convert to fraction form
    711,705.40/1,066,002.90 = 552,686.20/x
  3. Step 3: Cross multiply
    711,705.40x = 1,066,002.90 × 552,686.20
  4. Step 4: Simplify right side
    711,705.40x = 589,165,091,989.98
  5. Step 5: Solve for x
    x = 589,165,091,989.98/711,705.40
  6. Step 6: Final answer
    x = 827,821.58

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Double scale
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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.