Home / 747,316.16-1,031,296.32-479,044.16

Finding the Fourth Proportional to 747,316.16, 1,031,296.32 and 479,044.16

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Solution

The fourth proportional to 747,316.16, 1,031,296.32 and 479,044.16 is: 661,080.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,316.16 : 1,031,296.32 = 479,044.16 : x
  2. Step 2: Convert to fraction form
    747,316.16/1,031,296.32 = 479,044.16/x
  3. Step 3: Cross multiply
    747,316.16x = 1,031,296.32 × 479,044.16
  4. Step 4: Simplify right side
    747,316.16x = 494,036,479,325.49
  5. Step 5: Solve for x
    x = 494,036,479,325.49/747,316.16
  6. Step 6: Final answer
    x = 661,080.95

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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.