Home / 913,418.40-1,370,127.60-282,331.20

Finding the Fourth Proportional to 913,418.40, 1,370,127.60 and 282,331.20

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Solution

The fourth proportional to 913,418.40, 1,370,127.60 and 282,331.20 is: 423,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,418.40 : 1,370,127.60 = 282,331.20 : x
  2. Step 2: Convert to fraction form
    913,418.40/1,370,127.60 = 282,331.20/x
  3. Step 3: Cross multiply
    913,418.40x = 1,370,127.60 × 282,331.20
  4. Step 4: Simplify right side
    913,418.40x = 386,829,769,461.12
  5. Step 5: Solve for x
    x = 386,829,769,461.12/913,418.40
  6. Step 6: Final answer
    x = 423,496.80

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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.