Home / 674,457.24-1,012,184.79-319,472.10

Finding the Fourth Proportional to 674,457.24, 1,012,184.79 and 319,472.10

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Solution

The fourth proportional to 674,457.24, 1,012,184.79 and 319,472.10 is: 479,444.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,457.24 : 1,012,184.79 = 319,472.10 : x
  2. Step 2: Convert to fraction form
    674,457.24/1,012,184.79 = 319,472.10/x
  3. Step 3: Cross multiply
    674,457.24x = 1,012,184.79 × 319,472.10
  4. Step 4: Simplify right side
    674,457.24x = 323,364,800,449.36
  5. Step 5: Solve for x
    x = 323,364,800,449.36/674,457.24
  6. Step 6: Final answer
    x = 479,444.48

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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.