Home / 747,698.76-1,031,823.84-408,166.92

Finding the Fourth Proportional to 747,698.76, 1,031,823.84 and 408,166.92

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Solution

The fourth proportional to 747,698.76, 1,031,823.84 and 408,166.92 is: 563,270.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,698.76 : 1,031,823.84 = 408,166.92 : x
  2. Step 2: Convert to fraction form
    747,698.76/1,031,823.84 = 408,166.92/x
  3. Step 3: Cross multiply
    747,698.76x = 1,031,823.84 × 408,166.92
  4. Step 4: Simplify right side
    747,698.76x = 421,156,358,755.37
  5. Step 5: Solve for x
    x = 421,156,358,755.37/747,698.76
  6. Step 6: Final answer
    x = 563,270.10

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Half scale
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Double scale
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Similar ratio
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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.