Home / 724,488.41-1,085,318.89-474,412.25

Finding the Fourth Proportional to 724,488.41, 1,085,318.89 and 474,412.25

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Solution

The fourth proportional to 724,488.41, 1,085,318.89 and 474,412.25 is: 710,692.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,488.41 : 1,085,318.89 = 474,412.25 : x
  2. Step 2: Convert to fraction form
    724,488.41/1,085,318.89 = 474,412.25/x
  3. Step 3: Cross multiply
    724,488.41x = 1,085,318.89 × 474,412.25
  4. Step 4: Simplify right side
    724,488.41x = 514,888,576,572.40
  5. Step 5: Solve for x
    x = 514,888,576,572.40/724,488.41
  6. Step 6: Final answer
    x = 710,692.63

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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.