Home / 900,709.52-1,350,852.01-331,781.66

Finding the Fourth Proportional to 900,709.52, 1,350,852.01 and 331,781.66

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Solution

The fourth proportional to 900,709.52, 1,350,852.01 and 331,781.66 is: 497,594.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,709.52 : 1,350,852.01 = 331,781.66 : x
  2. Step 2: Convert to fraction form
    900,709.52/1,350,852.01 = 331,781.66/x
  3. Step 3: Cross multiply
    900,709.52x = 1,350,852.01 × 331,781.66
  4. Step 4: Simplify right side
    900,709.52x = 448,187,922,292.14
  5. Step 5: Solve for x
    x = 448,187,922,292.14/900,709.52
  6. Step 6: Final answer
    x = 497,594.30

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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.