Home / 887,718.30-1,332,124.20-382,521.30

Finding the Fourth Proportional to 887,718.30, 1,332,124.20 and 382,521.30

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Solution

The fourth proportional to 887,718.30, 1,332,124.20 and 382,521.30 is: 574,017.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,718.30 : 1,332,124.20 = 382,521.30 : x
  2. Step 2: Convert to fraction form
    887,718.30/1,332,124.20 = 382,521.30/x
  3. Step 3: Cross multiply
    887,718.30x = 1,332,124.20 × 382,521.30
  4. Step 4: Simplify right side
    887,718.30x = 509,565,880,745.46
  5. Step 5: Solve for x
    x = 509,565,880,745.46/887,718.30
  6. Step 6: Final answer
    x = 574,017.55

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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.