Home / 437,547.60-656,839.80-434,437.20

Finding the Fourth Proportional to 437,547.60, 656,839.80 and 434,437.20

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Solution

The fourth proportional to 437,547.60, 656,839.80 and 434,437.20 is: 652,170.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,547.60 : 656,839.80 = 434,437.20 : x
  2. Step 2: Convert to fraction form
    437,547.60/656,839.80 = 434,437.20/x
  3. Step 3: Cross multiply
    437,547.60x = 656,839.80 × 434,437.20
  4. Step 4: Simplify right side
    437,547.60x = 285,355,643,560.56
  5. Step 5: Solve for x
    x = 285,355,643,560.56/437,547.60
  6. Step 6: Final answer
    x = 652,170.51

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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.