Home / 672,086.40-1,005,213.60-601,519.20

Finding the Fourth Proportional to 672,086.40, 1,005,213.60 and 601,519.20

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Solution

The fourth proportional to 672,086.40, 1,005,213.60 and 601,519.20 is: 899,668.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,086.40 : 1,005,213.60 = 601,519.20 : x
  2. Step 2: Convert to fraction form
    672,086.40/1,005,213.60 = 601,519.20/x
  3. Step 3: Cross multiply
    672,086.40x = 1,005,213.60 × 601,519.20
  4. Step 4: Simplify right side
    672,086.40x = 604,655,280,501.12
  5. Step 5: Solve for x
    x = 604,655,280,501.12/672,086.40
  6. Step 6: Final answer
    x = 899,668.97

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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.