Home / 693,126.52-1,039,244.78-288,598.95

Finding the Fourth Proportional to 693,126.52, 1,039,244.78 and 288,598.95

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Solution

The fourth proportional to 693,126.52, 1,039,244.78 and 288,598.95 is: 432,713.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,126.52 : 1,039,244.78 = 288,598.95 : x
  2. Step 2: Convert to fraction form
    693,126.52/1,039,244.78 = 288,598.95/x
  3. Step 3: Cross multiply
    693,126.52x = 1,039,244.78 × 288,598.95
  4. Step 4: Simplify right side
    693,126.52x = 299,924,953,022.48
  5. Step 5: Solve for x
    x = 299,924,953,022.48/693,126.52
  6. Step 6: Final answer
    x = 432,713.14

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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.