Home / 948,724.89-1,309,250.68-518,995.79

Finding the Fourth Proportional to 948,724.89, 1,309,250.68 and 518,995.79

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Solution

The fourth proportional to 948,724.89, 1,309,250.68 and 518,995.79 is: 716,219.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,724.89 : 1,309,250.68 = 518,995.79 : x
  2. Step 2: Convert to fraction form
    948,724.89/1,309,250.68 = 518,995.79/x
  3. Step 3: Cross multiply
    948,724.89x = 1,309,250.68 × 518,995.79
  4. Step 4: Simplify right side
    948,724.89x = 679,495,596,118.43
  5. Step 5: Solve for x
    x = 679,495,596,118.43/948,724.89
  6. Step 6: Final answer
    x = 716,219.85

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.