Home / 838,023.75-1,156,499.04-475,462.89

Finding the Fourth Proportional to 838,023.75, 1,156,499.04 and 475,462.89

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Solution

The fourth proportional to 838,023.75, 1,156,499.04 and 475,462.89 is: 656,153.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,023.75 : 1,156,499.04 = 475,462.89 : x
  2. Step 2: Convert to fraction form
    838,023.75/1,156,499.04 = 475,462.89/x
  3. Step 3: Cross multiply
    838,023.75x = 1,156,499.04 × 475,462.89
  4. Step 4: Simplify right side
    838,023.75x = 549,872,375,840.63
  5. Step 5: Solve for x
    x = 549,872,375,840.63/838,023.75
  6. Step 6: Final answer
    x = 656,153.69

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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.