Home / 704,275.74-1,056,031.28-319,813.50

Finding the Fourth Proportional to 704,275.74, 1,056,031.28 and 319,813.50

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Solution

The fourth proportional to 704,275.74, 1,056,031.28 and 319,813.50 is: 479,546.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,275.74 : 1,056,031.28 = 319,813.50 : x
  2. Step 2: Convert to fraction form
    704,275.74/1,056,031.28 = 319,813.50/x
  3. Step 3: Cross multiply
    704,275.74x = 1,056,031.28 × 319,813.50
  4. Step 4: Simplify right side
    704,275.74x = 337,733,059,766.28
  5. Step 5: Solve for x
    x = 337,733,059,766.28/704,275.74
  6. Step 6: Final answer
    x = 479,546.63

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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.