Home / 779,482.10-1,169,223.15-513,542.90

Finding the Fourth Proportional to 779,482.10, 1,169,223.15 and 513,542.90

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Solution

The fourth proportional to 779,482.10, 1,169,223.15 and 513,542.90 is: 770,314.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,482.10 : 1,169,223.15 = 513,542.90 : x
  2. Step 2: Convert to fraction form
    779,482.10/1,169,223.15 = 513,542.90/x
  3. Step 3: Cross multiply
    779,482.10x = 1,169,223.15 × 513,542.90
  4. Step 4: Simplify right side
    779,482.10x = 600,446,247,198.14
  5. Step 5: Solve for x
    x = 600,446,247,198.14/779,482.10
  6. Step 6: Final answer
    x = 770,314.35

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Double scale
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Similar ratio
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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.