Home / 747,824.49-1,031,992.20-408,292.74

Finding the Fourth Proportional to 747,824.49, 1,031,992.20 and 408,292.74

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Solution

The fourth proportional to 747,824.49, 1,031,992.20 and 408,292.74 is: 563,440.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,824.49 : 1,031,992.20 = 408,292.74 : x
  2. Step 2: Convert to fraction form
    747,824.49/1,031,992.20 = 408,292.74/x
  3. Step 3: Cross multiply
    747,824.49x = 1,031,992.20 × 408,292.74
  4. Step 4: Simplify right side
    747,824.49x = 421,354,922,996.63
  5. Step 5: Solve for x
    x = 421,354,922,996.63/747,824.49
  6. Step 6: Final answer
    x = 563,440.93

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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.