Home / 579,159.20-869,065.02-452,443.96

Finding the Fourth Proportional to 579,159.20, 869,065.02 and 452,443.96

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Solution

The fourth proportional to 579,159.20, 869,065.02 and 452,443.96 is: 678,920.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,159.20 : 869,065.02 = 452,443.96 : x
  2. Step 2: Convert to fraction form
    579,159.20/869,065.02 = 452,443.96/x
  3. Step 3: Cross multiply
    579,159.20x = 869,065.02 × 452,443.96
  4. Step 4: Simplify right side
    579,159.20x = 393,203,216,973.62
  5. Step 5: Solve for x
    x = 393,203,216,973.62/579,159.20
  6. Step 6: Final answer
    x = 678,920.79

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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.