Home / 913,655.20-1,370,677.20-282,632.80

Finding the Fourth Proportional to 913,655.20, 1,370,677.20 and 282,632.80

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Solution

The fourth proportional to 913,655.20, 1,370,677.20 and 282,632.80 is: 424,009.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,655.20 : 1,370,677.20 = 282,632.80 : x
  2. Step 2: Convert to fraction form
    913,655.20/1,370,677.20 = 282,632.80/x
  3. Step 3: Cross multiply
    913,655.20x = 1,370,677.20 × 282,632.80
  4. Step 4: Simplify right side
    913,655.20x = 387,398,334,932.16
  5. Step 5: Solve for x
    x = 387,398,334,932.16/913,655.20
  6. Step 6: Final answer
    x = 424,009.34

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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.