Home / 767,980.32-1,152,138.88-235,541.28

Finding the Fourth Proportional to 767,980.32, 1,152,138.88 and 235,541.28

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Solution

The fourth proportional to 767,980.32, 1,152,138.88 and 235,541.28 is: 353,363.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,980.32 : 1,152,138.88 = 235,541.28 : x
  2. Step 2: Convert to fraction form
    767,980.32/1,152,138.88 = 235,541.28/x
  3. Step 3: Cross multiply
    767,980.32x = 1,152,138.88 × 235,541.28
  4. Step 4: Simplify right side
    767,980.32x = 271,376,266,532.97
  5. Step 5: Solve for x
    x = 271,376,266,532.97/767,980.32
  6. Step 6: Final answer
    x = 353,363.57

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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.