Home / 759,495.05-1,138,572.13-286,512.56

Finding the Fourth Proportional to 759,495.05, 1,138,572.13 and 286,512.56

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Solution

The fourth proportional to 759,495.05, 1,138,572.13 and 286,512.56 is: 429,515.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,495.05 : 1,138,572.13 = 286,512.56 : x
  2. Step 2: Convert to fraction form
    759,495.05/1,138,572.13 = 286,512.56/x
  3. Step 3: Cross multiply
    759,495.05x = 1,138,572.13 × 286,512.56
  4. Step 4: Simplify right side
    759,495.05x = 326,215,215,710.95
  5. Step 5: Solve for x
    x = 326,215,215,710.95/759,495.05
  6. Step 6: Final answer
    x = 429,515.92

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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.