Home / 887,061.90-1,330,264.80-288,042.60

Finding the Fourth Proportional to 887,061.90, 1,330,264.80 and 288,042.60

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Solution

The fourth proportional to 887,061.90, 1,330,264.80 and 288,042.60 is: 431,957.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,061.90 : 1,330,264.80 = 288,042.60 : x
  2. Step 2: Convert to fraction form
    887,061.90/1,330,264.80 = 288,042.60/x
  3. Step 3: Cross multiply
    887,061.90x = 1,330,264.80 × 288,042.60
  4. Step 4: Simplify right side
    887,061.90x = 383,172,931,680.48
  5. Step 5: Solve for x
    x = 383,172,931,680.48/887,061.90
  6. Step 6: Final answer
    x = 431,957.38

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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.