Home / 725,128.02-1,000,233.24-430,578.06

Finding the Fourth Proportional to 725,128.02, 1,000,233.24 and 430,578.06

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Solution

The fourth proportional to 725,128.02, 1,000,233.24 and 430,578.06 is: 593,934.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,128.02 : 1,000,233.24 = 430,578.06 : x
  2. Step 2: Convert to fraction form
    725,128.02/1,000,233.24 = 430,578.06/x
  3. Step 3: Cross multiply
    725,128.02x = 1,000,233.24 × 430,578.06
  4. Step 4: Simplify right side
    725,128.02x = 430,678,488,026.71
  5. Step 5: Solve for x
    x = 430,678,488,026.71/725,128.02
  6. Step 6: Final answer
    x = 593,934.42

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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.