Home / 961,268.66-1,326,547.18-542,131.18

Finding the Fourth Proportional to 961,268.66, 1,326,547.18 and 542,131.18

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Solution

The fourth proportional to 961,268.66, 1,326,547.18 and 542,131.18 is: 748,139.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,268.66 : 1,326,547.18 = 542,131.18 : x
  2. Step 2: Convert to fraction form
    961,268.66/1,326,547.18 = 542,131.18/x
  3. Step 3: Cross multiply
    961,268.66x = 1,326,547.18 × 542,131.18
  4. Step 4: Simplify right side
    961,268.66x = 719,162,582,330.88
  5. Step 5: Solve for x
    x = 719,162,582,330.88/961,268.66
  6. Step 6: Final answer
    x = 748,139.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.