Home / 755,043.30-1,041,959.15-415,511.55

Finding the Fourth Proportional to 755,043.30, 1,041,959.15 and 415,511.55

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Solution

The fourth proportional to 755,043.30, 1,041,959.15 and 415,511.55 is: 573,405.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,043.30 : 1,041,959.15 = 415,511.55 : x
  2. Step 2: Convert to fraction form
    755,043.30/1,041,959.15 = 415,511.55/x
  3. Step 3: Cross multiply
    755,043.30x = 1,041,959.15 × 415,511.55
  4. Step 4: Simplify right side
    755,043.30x = 432,946,059,375.63
  5. Step 5: Solve for x
    x = 432,946,059,375.63/755,043.30
  6. Step 6: Final answer
    x = 573,405.60

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1.5x scale

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.