Home / 913,485.15-1,370,129.29-239,634

Finding the Fourth Proportional to 913,485.15, 1,370,129.29 and 239,634

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Solution

The fourth proportional to 913,485.15, 1,370,129.29 and 239,634 is: 359,425.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,485.15 : 1,370,129.29 = 239,634 : x
  2. Step 2: Convert to fraction form
    913,485.15/1,370,129.29 = 239,634/x
  3. Step 3: Cross multiply
    913,485.15x = 1,370,129.29 × 239,634
  4. Step 4: Simplify right side
    913,485.15x = 328,329,561,680.78
  5. Step 5: Solve for x
    x = 328,329,561,680.78/913,485.15
  6. Step 6: Final answer
    x = 359,425.18

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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.