Home / 502,826.42-693,801.20-282,071.04

Finding the Fourth Proportional to 502,826.42, 693,801.20 and 282,071.04

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Solution

The fourth proportional to 502,826.42, 693,801.20 and 282,071.04 is: 389,202.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,826.42 : 693,801.20 = 282,071.04 : x
  2. Step 2: Convert to fraction form
    502,826.42/693,801.20 = 282,071.04/x
  3. Step 3: Cross multiply
    502,826.42x = 693,801.20 × 282,071.04
  4. Step 4: Simplify right side
    502,826.42x = 195,701,226,037.25
  5. Step 5: Solve for x
    x = 195,701,226,037.25/502,826.42
  6. Step 6: Final answer
    x = 389,202.35

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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.