Home / 672,228.80-1,007,457.60-493,899.20

Finding the Fourth Proportional to 672,228.80, 1,007,457.60 and 493,899.20

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Solution

The fourth proportional to 672,228.80, 1,007,457.60 and 493,899.20 is: 740,198.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,228.80 : 1,007,457.60 = 493,899.20 : x
  2. Step 2: Convert to fraction form
    672,228.80/1,007,457.60 = 493,899.20/x
  3. Step 3: Cross multiply
    672,228.80x = 1,007,457.60 × 493,899.20
  4. Step 4: Simplify right side
    672,228.80x = 497,582,502,673.92
  5. Step 5: Solve for x
    x = 497,582,502,673.92/672,228.80
  6. Step 6: Final answer
    x = 740,198.13

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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.