Home / 779,288.10-1,168,932.15-513,348.90

Finding the Fourth Proportional to 779,288.10, 1,168,932.15 and 513,348.90

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Solution

The fourth proportional to 779,288.10, 1,168,932.15 and 513,348.90 is: 770,023.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,288.10 : 1,168,932.15 = 513,348.90 : x
  2. Step 2: Convert to fraction form
    779,288.10/1,168,932.15 = 513,348.90/x
  3. Step 3: Cross multiply
    779,288.10x = 1,168,932.15 × 513,348.90
  4. Step 4: Simplify right side
    779,288.10x = 600,070,033,377.14
  5. Step 5: Solve for x
    x = 600,070,033,377.14/779,288.10
  6. Step 6: Final answer
    x = 770,023.35

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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.