Home / 887,178.04-1,331,148.36-288,322.76

Finding the Fourth Proportional to 887,178.04, 1,331,148.36 and 288,322.76

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Solution

The fourth proportional to 887,178.04, 1,331,148.36 and 288,322.76 is: 432,608.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,178.04 : 1,331,148.36 = 288,322.76 : x
  2. Step 2: Convert to fraction form
    887,178.04/1,331,148.36 = 288,322.76/x
  3. Step 3: Cross multiply
    887,178.04x = 1,331,148.36 × 288,322.76
  4. Step 4: Simplify right side
    887,178.04x = 383,800,369,124.67
  5. Step 5: Solve for x
    x = 383,800,369,124.67/887,178.04
  6. Step 6: Final answer
    x = 432,608.06

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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.