Home / 779,107.34-1,169,031.15-539,589.87

Finding the Fourth Proportional to 779,107.34, 1,169,031.15 and 539,589.87

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Solution

The fourth proportional to 779,107.34, 1,169,031.15 and 539,589.87 is: 809,641.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,107.34 : 1,169,031.15 = 539,589.87 : x
  2. Step 2: Convert to fraction form
    779,107.34/1,169,031.15 = 539,589.87/x
  3. Step 3: Cross multiply
    779,107.34x = 1,169,031.15 × 539,589.87
  4. Step 4: Simplify right side
    779,107.34x = 630,797,366,254.45
  5. Step 5: Solve for x
    x = 630,797,366,254.45/779,107.34
  6. Step 6: Final answer
    x = 809,641.15

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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.