Home / 710,238.88-1,063,906.80-330,585.76

Finding the Fourth Proportional to 710,238.88, 1,063,906.80 and 330,585.76

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Solution

The fourth proportional to 710,238.88, 1,063,906.80 and 330,585.76 is: 495,203.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,238.88 : 1,063,906.80 = 330,585.76 : x
  2. Step 2: Convert to fraction form
    710,238.88/1,063,906.80 = 330,585.76/x
  3. Step 3: Cross multiply
    710,238.88x = 1,063,906.80 × 330,585.76
  4. Step 4: Simplify right side
    710,238.88x = 351,712,438,047.17
  5. Step 5: Solve for x
    x = 351,712,438,047.17/710,238.88
  6. Step 6: Final answer
    x = 495,203.02

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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.