Home / 779,476.77-1,170,290.84-539,000.73

Finding the Fourth Proportional to 779,476.77, 1,170,290.84 and 539,000.73

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Solution

The fourth proportional to 779,476.77, 1,170,290.84 and 539,000.73 is: 809,244.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,476.77 : 1,170,290.84 = 539,000.73 : x
  2. Step 2: Convert to fraction form
    779,476.77/1,170,290.84 = 539,000.73/x
  3. Step 3: Cross multiply
    779,476.77x = 1,170,290.84 × 539,000.73
  4. Step 4: Simplify right side
    779,476.77x = 630,787,614,377.31
  5. Step 5: Solve for x
    x = 630,787,614,377.31/779,476.77
  6. Step 6: Final answer
    x = 809,244.92

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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.