Home / 994,973.28-1,492,314.12-489,398.55

Finding the Fourth Proportional to 994,973.28, 1,492,314.12 and 489,398.55

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Solution

The fourth proportional to 994,973.28, 1,492,314.12 and 489,398.55 is: 734,026.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,973.28 : 1,492,314.12 = 489,398.55 : x
  2. Step 2: Convert to fraction form
    994,973.28/1,492,314.12 = 489,398.55/x
  3. Step 3: Cross multiply
    994,973.28x = 1,492,314.12 × 489,398.55
  4. Step 4: Simplify right side
    994,973.28x = 730,336,366,472.53
  5. Step 5: Solve for x
    x = 730,336,366,472.53/994,973.28
  6. Step 6: Final answer
    x = 734,026.11

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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.