Home / 778,847.20-1,168,598.85-424,115.80

Finding the Fourth Proportional to 778,847.20, 1,168,598.85 and 424,115.80

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Solution

The fourth proportional to 778,847.20, 1,168,598.85 and 424,115.80 is: 636,352.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,847.20 : 1,168,598.85 = 424,115.80 : x
  2. Step 2: Convert to fraction form
    778,847.20/1,168,598.85 = 424,115.80/x
  3. Step 3: Cross multiply
    778,847.20x = 1,168,598.85 × 424,115.80
  4. Step 4: Simplify right side
    778,847.20x = 495,621,236,146.83
  5. Step 5: Solve for x
    x = 495,621,236,146.83/778,847.20
  6. Step 6: Final answer
    x = 636,352.34

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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.