Home / 770,511.52-1,155,877.84-238,079.04

Finding the Fourth Proportional to 770,511.52, 1,155,877.84 and 238,079.04

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Solution

The fourth proportional to 770,511.52, 1,155,877.84 and 238,079.04 is: 357,152.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,511.52 : 1,155,877.84 = 238,079.04 : x
  2. Step 2: Convert to fraction form
    770,511.52/1,155,877.84 = 238,079.04/x
  3. Step 3: Cross multiply
    770,511.52x = 1,155,877.84 × 238,079.04
  4. Step 4: Simplify right side
    770,511.52x = 275,190,286,504.47
  5. Step 5: Solve for x
    x = 275,190,286,504.47/770,511.52
  6. Step 6: Final answer
    x = 357,152.72

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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.