Home / 709,437.06-1,062,252.90-442,666.80

Finding the Fourth Proportional to 709,437.06, 1,062,252.90 and 442,666.80

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Solution

The fourth proportional to 709,437.06, 1,062,252.90 and 442,666.80 is: 662,812.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,437.06 : 1,062,252.90 = 442,666.80 : x
  2. Step 2: Convert to fraction form
    709,437.06/1,062,252.90 = 442,666.80/x
  3. Step 3: Cross multiply
    709,437.06x = 1,062,252.90 × 442,666.80
  4. Step 4: Simplify right side
    709,437.06x = 470,224,092,033.72
  5. Step 5: Solve for x
    x = 470,224,092,033.72/709,437.06
  6. Step 6: Final answer
    x = 662,812.98

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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.