Home / 747,733-1,031,875.88-408,204.76

Finding the Fourth Proportional to 747,733, 1,031,875.88 and 408,204.76

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Solution

The fourth proportional to 747,733, 1,031,875.88 and 408,204.76 is: 563,324.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,733 : 1,031,875.88 = 408,204.76 : x
  2. Step 2: Convert to fraction form
    747,733/1,031,875.88 = 408,204.76/x
  3. Step 3: Cross multiply
    747,733x = 1,031,875.88 × 408,204.76
  4. Step 4: Simplify right side
    747,733x = 421,216,645,945.19
  5. Step 5: Solve for x
    x = 421,216,645,945.19/747,733
  6. Step 6: Final answer
    x = 563,324.94

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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.