Home / 727,592.34-1,091,380.83-284,356.50

Finding the Fourth Proportional to 727,592.34, 1,091,380.83 and 284,356.50

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Solution

The fourth proportional to 727,592.34, 1,091,380.83 and 284,356.50 is: 426,531.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,592.34 : 1,091,380.83 = 284,356.50 : x
  2. Step 2: Convert to fraction form
    727,592.34/1,091,380.83 = 284,356.50/x
  3. Step 3: Cross multiply
    727,592.34x = 1,091,380.83 × 284,356.50
  4. Step 4: Simplify right side
    727,592.34x = 310,341,232,985.90
  5. Step 5: Solve for x
    x = 310,341,232,985.90/727,592.34
  6. Step 6: Final answer
    x = 426,531.75

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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.