Home / 750,280.28-1,035,290.24-427,971.15

Finding the Fourth Proportional to 750,280.28, 1,035,290.24 and 427,971.15

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Solution

The fourth proportional to 750,280.28, 1,035,290.24 and 427,971.15 is: 590,545.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,280.28 : 1,035,290.24 = 427,971.15 : x
  2. Step 2: Convert to fraction form
    750,280.28/1,035,290.24 = 427,971.15/x
  3. Step 3: Cross multiply
    750,280.28x = 1,035,290.24 × 427,971.15
  4. Step 4: Simplify right side
    750,280.28x = 443,074,352,456.72
  5. Step 5: Solve for x
    x = 443,074,352,456.72/750,280.28
  6. Step 6: Final answer
    x = 590,545.12

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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.