Home / 832,100.12-1,248,221.16-292,309.22

Finding the Fourth Proportional to 832,100.12, 1,248,221.16 and 292,309.22

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Solution

The fourth proportional to 832,100.12, 1,248,221.16 and 292,309.22 is: 438,488.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,100.12 : 1,248,221.16 = 292,309.22 : x
  2. Step 2: Convert to fraction form
    832,100.12/1,248,221.16 = 292,309.22/x
  3. Step 3: Cross multiply
    832,100.12x = 1,248,221.16 × 292,309.22
  4. Step 4: Simplify right side
    832,100.12x = 364,866,553,202.98
  5. Step 5: Solve for x
    x = 364,866,553,202.98/832,100.12
  6. Step 6: Final answer
    x = 438,488.77

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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.