Home / 866,757.16-1,299,881.88-326,623.72

Finding the Fourth Proportional to 866,757.16, 1,299,881.88 and 326,623.72

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Solution

The fourth proportional to 866,757.16, 1,299,881.88 and 326,623.72 is: 489,839.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,757.16 : 1,299,881.88 = 326,623.72 : x
  2. Step 2: Convert to fraction form
    866,757.16/1,299,881.88 = 326,623.72/x
  3. Step 3: Cross multiply
    866,757.16x = 1,299,881.88 × 326,623.72
  4. Step 4: Simplify right side
    866,757.16x = 424,572,255,206.19
  5. Step 5: Solve for x
    x = 424,572,255,206.19/866,757.16
  6. Step 6: Final answer
    x = 489,839.92

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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.