Home / 763,751.20-1,144,849.20-448,045.60

Finding the Fourth Proportional to 763,751.20, 1,144,849.20 and 448,045.60

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Solution

The fourth proportional to 763,751.20, 1,144,849.20 and 448,045.60 is: 671,612.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,751.20 : 1,144,849.20 = 448,045.60 : x
  2. Step 2: Convert to fraction form
    763,751.20/1,144,849.20 = 448,045.60/x
  3. Step 3: Cross multiply
    763,751.20x = 1,144,849.20 × 448,045.60
  4. Step 4: Simplify right side
    763,751.20x = 512,944,646,723.52
  5. Step 5: Solve for x
    x = 512,944,646,723.52/763,751.20
  6. Step 6: Final answer
    x = 671,612.23

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Double scale
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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.