Home / 801,001.60-1,201,502.40-502,403.20

Finding the Fourth Proportional to 801,001.60, 1,201,502.40 and 502,403.20

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Solution

The fourth proportional to 801,001.60, 1,201,502.40 and 502,403.20 is: 753,604.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,001.60 : 1,201,502.40 = 502,403.20 : x
  2. Step 2: Convert to fraction form
    801,001.60/1,201,502.40 = 502,403.20/x
  3. Step 3: Cross multiply
    801,001.60x = 1,201,502.40 × 502,403.20
  4. Step 4: Simplify right side
    801,001.60x = 603,638,650,567.68
  5. Step 5: Solve for x
    x = 603,638,650,567.68/801,001.60
  6. Step 6: Final answer
    x = 753,604.80

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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.