Home / 719,726.40-1,080,248.04-364,985.28

Finding the Fourth Proportional to 719,726.40, 1,080,248.04 and 364,985.28

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Solution

The fourth proportional to 719,726.40, 1,080,248.04 and 364,985.28 is: 547,811.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,726.40 : 1,080,248.04 = 364,985.28 : x
  2. Step 2: Convert to fraction form
    719,726.40/1,080,248.04 = 364,985.28/x
  3. Step 3: Cross multiply
    719,726.40x = 1,080,248.04 × 364,985.28
  4. Step 4: Simplify right side
    719,726.40x = 394,274,633,348.85
  5. Step 5: Solve for x
    x = 394,274,633,348.85/719,726.40
  6. Step 6: Final answer
    x = 547,811.83

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1.5x scale

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.