Home / 709,437.56-1,062,253.65-442,667.30

Finding the Fourth Proportional to 709,437.56, 1,062,253.65 and 442,667.30

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Solution

The fourth proportional to 709,437.56, 1,062,253.65 and 442,667.30 is: 662,813.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,437.56 : 1,062,253.65 = 442,667.30 : x
  2. Step 2: Convert to fraction form
    709,437.56/1,062,253.65 = 442,667.30/x
  3. Step 3: Cross multiply
    709,437.56x = 1,062,253.65 × 442,667.30
  4. Step 4: Simplify right side
    709,437.56x = 470,224,955,160.65
  5. Step 5: Solve for x
    x = 470,224,955,160.65/709,437.56
  6. Step 6: Final answer
    x = 662,813.73

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Double scale
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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.