Home / 750,641.40-1,126,036.02-218,167.08

Finding the Fourth Proportional to 750,641.40, 1,126,036.02 and 218,167.08

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Solution

The fourth proportional to 750,641.40, 1,126,036.02 and 218,167.08 is: 327,272.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,641.40 : 1,126,036.02 = 218,167.08 : x
  2. Step 2: Convert to fraction form
    750,641.40/1,126,036.02 = 218,167.08/x
  3. Step 3: Cross multiply
    750,641.40x = 1,126,036.02 × 218,167.08
  4. Step 4: Simplify right side
    750,641.40x = 245,663,990,458.22
  5. Step 5: Solve for x
    x = 245,663,990,458.22/750,641.40
  6. Step 6: Final answer
    x = 327,272.10

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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.