Home / 740,023.20-1,110,034.80-538,272.45

Finding the Fourth Proportional to 740,023.20, 1,110,034.80 and 538,272.45

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Solution

The fourth proportional to 740,023.20, 1,110,034.80 and 538,272.45 is: 807,408.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,023.20 : 1,110,034.80 = 538,272.45 : x
  2. Step 2: Convert to fraction form
    740,023.20/1,110,034.80 = 538,272.45/x
  3. Step 3: Cross multiply
    740,023.20x = 1,110,034.80 × 538,272.45
  4. Step 4: Simplify right side
    740,023.20x = 597,501,151,381.26
  5. Step 5: Solve for x
    x = 597,501,151,381.26/740,023.20
  6. Step 6: Final answer
    x = 807,408.68

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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.