Home / 926,250.66-1,388,719.89-357,149.52

Finding the Fourth Proportional to 926,250.66, 1,388,719.89 and 357,149.52

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Solution

The fourth proportional to 926,250.66, 1,388,719.89 and 357,149.52 is: 535,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,250.66 : 1,388,719.89 = 357,149.52 : x
  2. Step 2: Convert to fraction form
    926,250.66/1,388,719.89 = 357,149.52/x
  3. Step 3: Cross multiply
    926,250.66x = 1,388,719.89 × 357,149.52
  4. Step 4: Simplify right side
    926,250.66x = 495,980,642,127.95
  5. Step 5: Solve for x
    x = 495,980,642,127.95/926,250.66
  6. Step 6: Final answer
    x = 535,471.30

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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.