Home / 702,928.10-1,054,392.15-514,921.70

Finding the Fourth Proportional to 702,928.10, 1,054,392.15 and 514,921.70

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Solution

The fourth proportional to 702,928.10, 1,054,392.15 and 514,921.70 is: 772,382.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,928.10 : 1,054,392.15 = 514,921.70 : x
  2. Step 2: Convert to fraction form
    702,928.10/1,054,392.15 = 514,921.70/x
  3. Step 3: Cross multiply
    702,928.10x = 1,054,392.15 × 514,921.70
  4. Step 4: Simplify right side
    702,928.10x = 542,929,398,344.66
  5. Step 5: Solve for x
    x = 542,929,398,344.66/702,928.10
  6. Step 6: Final answer
    x = 772,382.55

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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.