Home / 758,602.74-1,138,464.08-359,242.87

Finding the Fourth Proportional to 758,602.74, 1,138,464.08 and 359,242.87

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Solution

The fourth proportional to 758,602.74, 1,138,464.08 and 359,242.87 is: 539,129.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,602.74 : 1,138,464.08 = 359,242.87 : x
  2. Step 2: Convert to fraction form
    758,602.74/1,138,464.08 = 359,242.87/x
  3. Step 3: Cross multiply
    758,602.74x = 1,138,464.08 × 359,242.87
  4. Step 4: Simplify right side
    758,602.74x = 408,985,103,491.11
  5. Step 5: Solve for x
    x = 408,985,103,491.11/758,602.74
  6. Step 6: Final answer
    x = 539,129.48

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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.