Home / 753,484.80-1,129,190.40-500,044.80

Finding the Fourth Proportional to 753,484.80, 1,129,190.40 and 500,044.80

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Solution

The fourth proportional to 753,484.80, 1,129,190.40 and 500,044.80 is: 749,379.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,484.80 : 1,129,190.40 = 500,044.80 : x
  2. Step 2: Convert to fraction form
    753,484.80/1,129,190.40 = 500,044.80/x
  3. Step 3: Cross multiply
    753,484.80x = 1,129,190.40 × 500,044.80
  4. Step 4: Simplify right side
    753,484.80x = 564,645,787,729.92
  5. Step 5: Solve for x
    x = 564,645,787,729.92/753,484.80
  6. Step 6: Final answer
    x = 749,379.14

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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.