Home / 790,217.28-1,090,502.60-427,641.03

Finding the Fourth Proportional to 790,217.28, 1,090,502.60 and 427,641.03

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Solution

The fourth proportional to 790,217.28, 1,090,502.60 and 427,641.03 is: 590,146.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,217.28 : 1,090,502.60 = 427,641.03 : x
  2. Step 2: Convert to fraction form
    790,217.28/1,090,502.60 = 427,641.03/x
  3. Step 3: Cross multiply
    790,217.28x = 1,090,502.60 × 427,641.03
  4. Step 4: Simplify right side
    790,217.28x = 466,343,652,943.47
  5. Step 5: Solve for x
    x = 466,343,652,943.47/790,217.28
  6. Step 6: Final answer
    x = 590,146.11

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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.