Home / 890,511.48-1,335,781.80-259,459.92

Finding the Fourth Proportional to 890,511.48, 1,335,781.80 and 259,459.92

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Solution

The fourth proportional to 890,511.48, 1,335,781.80 and 259,459.92 is: 389,194.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,511.48 : 1,335,781.80 = 259,459.92 : x
  2. Step 2: Convert to fraction form
    890,511.48/1,335,781.80 = 259,459.92/x
  3. Step 3: Cross multiply
    890,511.48x = 1,335,781.80 × 259,459.92
  4. Step 4: Simplify right side
    890,511.48x = 346,581,838,965.46
  5. Step 5: Solve for x
    x = 346,581,838,965.46/890,511.48
  6. Step 6: Final answer
    x = 389,194.13

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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.