Home / 826,316.46-1,239,332.13-219,109.05

Finding the Fourth Proportional to 826,316.46, 1,239,332.13 and 219,109.05

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Solution

The fourth proportional to 826,316.46, 1,239,332.13 and 219,109.05 is: 328,625.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,316.46 : 1,239,332.13 = 219,109.05 : x
  2. Step 2: Convert to fraction form
    826,316.46/1,239,332.13 = 219,109.05/x
  3. Step 3: Cross multiply
    826,316.46x = 1,239,332.13 × 219,109.05
  4. Step 4: Simplify right side
    826,316.46x = 271,548,885,638.78
  5. Step 5: Solve for x
    x = 271,548,885,638.78/826,316.46
  6. Step 6: Final answer
    x = 328,625.77

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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.