Home / 710,867.40-1,066,301.10-551,435.10

Finding the Fourth Proportional to 710,867.40, 1,066,301.10 and 551,435.10

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Solution

The fourth proportional to 710,867.40, 1,066,301.10 and 551,435.10 is: 827,152.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,867.40 : 1,066,301.10 = 551,435.10 : x
  2. Step 2: Convert to fraction form
    710,867.40/1,066,301.10 = 551,435.10/x
  3. Step 3: Cross multiply
    710,867.40x = 1,066,301.10 × 551,435.10
  4. Step 4: Simplify right side
    710,867.40x = 587,995,853,708.61
  5. Step 5: Solve for x
    x = 587,995,853,708.61/710,867.40
  6. Step 6: Final answer
    x = 827,152.65

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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.