Home / 887,188.83-1,331,164.49-288,333.51

Finding the Fourth Proportional to 887,188.83, 1,331,164.49 and 288,333.51

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Solution

The fourth proportional to 887,188.83, 1,331,164.49 and 288,333.51 is: 432,624.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,188.83 : 1,331,164.49 = 288,333.51 : x
  2. Step 2: Convert to fraction form
    887,188.83/1,331,164.49 = 288,333.51/x
  3. Step 3: Cross multiply
    887,188.83x = 1,331,164.49 × 288,333.51
  4. Step 4: Simplify right side
    887,188.83x = 383,819,328,347.39
  5. Step 5: Solve for x
    x = 383,819,328,347.39/887,188.83
  6. Step 6: Final answer
    x = 432,624.17

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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.