Home / 700,098.20-1,048,304.10-512,091.80

Finding the Fourth Proportional to 700,098.20, 1,048,304.10 and 512,091.80

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Solution

The fourth proportional to 700,098.20, 1,048,304.10 and 512,091.80 is: 766,789.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,098.20 : 1,048,304.10 = 512,091.80 : x
  2. Step 2: Convert to fraction form
    700,098.20/1,048,304.10 = 512,091.80/x
  3. Step 3: Cross multiply
    700,098.20x = 1,048,304.10 × 512,091.80
  4. Step 4: Simplify right side
    700,098.20x = 536,827,933,516.38
  5. Step 5: Solve for x
    x = 536,827,933,516.38/700,098.20
  6. Step 6: Final answer
    x = 766,789.48

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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.