Home / 639,061.04-881,274.24-495,768.80

Finding the Fourth Proportional to 639,061.04, 881,274.24 and 495,768.80

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Solution

The fourth proportional to 639,061.04, 881,274.24 and 495,768.80 is: 683,672.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,061.04 : 881,274.24 = 495,768.80 : x
  2. Step 2: Convert to fraction form
    639,061.04/881,274.24 = 495,768.80/x
  3. Step 3: Cross multiply
    639,061.04x = 881,274.24 × 495,768.80
  4. Step 4: Simplify right side
    639,061.04x = 436,908,272,435.71
  5. Step 5: Solve for x
    x = 436,908,272,435.71/639,061.04
  6. Step 6: Final answer
    x = 683,672.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.