Home / 913,388.63-1,370,088.61-239,463.88

Finding the Fourth Proportional to 913,388.63, 1,370,088.61 and 239,463.88

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Solution

The fourth proportional to 913,388.63, 1,370,088.61 and 239,463.88 is: 359,197.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,388.63 : 1,370,088.61 = 239,463.88 : x
  2. Step 2: Convert to fraction form
    913,388.63/1,370,088.61 = 239,463.88/x
  3. Step 3: Cross multiply
    913,388.63x = 1,370,088.61 × 239,463.88
  4. Step 4: Simplify right side
    913,388.63x = 328,086,730,470.53
  5. Step 5: Solve for x
    x = 328,086,730,470.53/913,388.63
  6. Step 6: Final answer
    x = 359,197.30

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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.