Home / 858,335.10-1,287,502.65-227,312.70

Finding the Fourth Proportional to 858,335.10, 1,287,502.65 and 227,312.70

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Solution

The fourth proportional to 858,335.10, 1,287,502.65 and 227,312.70 is: 340,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,335.10 : 1,287,502.65 = 227,312.70 : x
  2. Step 2: Convert to fraction form
    858,335.10/1,287,502.65 = 227,312.70/x
  3. Step 3: Cross multiply
    858,335.10x = 1,287,502.65 × 227,312.70
  4. Step 4: Simplify right side
    858,335.10x = 292,665,703,628.66
  5. Step 5: Solve for x
    x = 292,665,703,628.66/858,335.10
  6. Step 6: Final answer
    x = 340,969.05

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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.