Home / 724,273.47-999,681.12-494,923.59

Finding the Fourth Proportional to 724,273.47, 999,681.12 and 494,923.59

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Solution

The fourth proportional to 724,273.47, 999,681.12 and 494,923.59 is: 683,120.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,273.47 : 999,681.12 = 494,923.59 : x
  2. Step 2: Convert to fraction form
    724,273.47/999,681.12 = 494,923.59/x
  3. Step 3: Cross multiply
    724,273.47x = 999,681.12 × 494,923.59
  4. Step 4: Simplify right side
    724,273.47x = 494,765,768,765.62
  5. Step 5: Solve for x
    x = 494,765,768,765.62/724,273.47
  6. Step 6: Final answer
    x = 683,120.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.