Home / 690,973.44-1,037,013.12-358,644.48

Finding the Fourth Proportional to 690,973.44, 1,037,013.12 and 358,644.48

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Solution

The fourth proportional to 690,973.44, 1,037,013.12 and 358,644.48 is: 538,253.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,973.44 : 1,037,013.12 = 358,644.48 : x
  2. Step 2: Convert to fraction form
    690,973.44/1,037,013.12 = 358,644.48/x
  3. Step 3: Cross multiply
    690,973.44x = 1,037,013.12 × 358,644.48
  4. Step 4: Simplify right side
    690,973.44x = 371,919,031,175.58
  5. Step 5: Solve for x
    x = 371,919,031,175.58/690,973.44
  6. Step 6: Final answer
    x = 538,253.73

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1.5x scale

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.