Home / 804,730.80-1,207,096.20-425,132.40

Finding the Fourth Proportional to 804,730.80, 1,207,096.20 and 425,132.40

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Solution

The fourth proportional to 804,730.80, 1,207,096.20 and 425,132.40 is: 637,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,730.80 : 1,207,096.20 = 425,132.40 : x
  2. Step 2: Convert to fraction form
    804,730.80/1,207,096.20 = 425,132.40/x
  3. Step 3: Cross multiply
    804,730.80x = 1,207,096.20 × 425,132.40
  4. Step 4: Simplify right side
    804,730.80x = 513,175,704,536.88
  5. Step 5: Solve for x
    x = 513,175,704,536.88/804,730.80
  6. Step 6: Final answer
    x = 637,698.60

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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.