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Finding the Fourth Proportional to 898,302, 1,239,656.76 and 495,896.88

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Solution

The fourth proportional to 898,302, 1,239,656.76 and 495,896.88 is: 684,337.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,302 : 1,239,656.76 = 495,896.88 : x
  2. Step 2: Convert to fraction form
    898,302/1,239,656.76 = 495,896.88/x
  3. Step 3: Cross multiply
    898,302x = 1,239,656.76 × 495,896.88
  4. Step 4: Simplify right side
    898,302x = 614,741,919,554.91
  5. Step 5: Solve for x
    x = 614,741,919,554.91/898,302
  6. Step 6: Final answer
    x = 684,337.69

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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.