Home / 761,332.48-1,050,637.92-421,822.72

Finding the Fourth Proportional to 761,332.48, 1,050,637.92 and 421,822.72

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Solution

The fourth proportional to 761,332.48, 1,050,637.92 and 421,822.72 is: 582,114.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,332.48 : 1,050,637.92 = 421,822.72 : x
  2. Step 2: Convert to fraction form
    761,332.48/1,050,637.92 = 421,822.72/x
  3. Step 3: Cross multiply
    761,332.48x = 1,050,637.92 × 421,822.72
  4. Step 4: Simplify right side
    761,332.48x = 443,182,945,149.54
  5. Step 5: Solve for x
    x = 443,182,945,149.54/761,332.48
  6. Step 6: Final answer
    x = 582,114.85

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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.