Home / 747,316.66-1,031,297.01-479,044.66

Finding the Fourth Proportional to 747,316.66, 1,031,297.01 and 479,044.66

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Solution

The fourth proportional to 747,316.66, 1,031,297.01 and 479,044.66 is: 661,081.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,316.66 : 1,031,297.01 = 479,044.66 : x
  2. Step 2: Convert to fraction form
    747,316.66/1,031,297.01 = 479,044.66/x
  3. Step 3: Cross multiply
    747,316.66x = 1,031,297.01 × 479,044.66
  4. Step 4: Simplify right side
    747,316.66x = 494,037,325,514.47
  5. Step 5: Solve for x
    x = 494,037,325,514.47/747,316.66
  6. Step 6: Final answer
    x = 661,081.64

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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.