Home / 766,779.48-1,150,681.14-268,143.48

Finding the Fourth Proportional to 766,779.48, 1,150,681.14 and 268,143.48

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Solution

The fourth proportional to 766,779.48, 1,150,681.14 and 268,143.48 is: 402,394.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,779.48 : 1,150,681.14 = 268,143.48 : x
  2. Step 2: Convert to fraction form
    766,779.48/1,150,681.14 = 268,143.48/x
  3. Step 3: Cross multiply
    766,779.48x = 1,150,681.14 × 268,143.48
  4. Step 4: Simplify right side
    766,779.48x = 308,547,645,249.97
  5. Step 5: Solve for x
    x = 308,547,645,249.97/766,779.48
  6. Step 6: Final answer
    x = 402,394.24

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Similar ratio
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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.