Home / 591,746.20-887,619.30-402,789.40

Finding the Fourth Proportional to 591,746.20, 887,619.30 and 402,789.40

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Solution

The fourth proportional to 591,746.20, 887,619.30 and 402,789.40 is: 604,184.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,746.20 : 887,619.30 = 402,789.40 : x
  2. Step 2: Convert to fraction form
    591,746.20/887,619.30 = 402,789.40/x
  3. Step 3: Cross multiply
    591,746.20x = 887,619.30 × 402,789.40
  4. Step 4: Simplify right side
    591,746.20x = 357,523,645,275.42
  5. Step 5: Solve for x
    x = 357,523,645,275.42/591,746.20
  6. Step 6: Final answer
    x = 604,184.10

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