Home / 755,848.70-1,043,031.84-469,362.68

Finding the Fourth Proportional to 755,848.70, 1,043,031.84 and 469,362.68

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Solution

The fourth proportional to 755,848.70, 1,043,031.84 and 469,362.68 is: 647,696.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,848.70 : 1,043,031.84 = 469,362.68 : x
  2. Step 2: Convert to fraction form
    755,848.70/1,043,031.84 = 469,362.68/x
  3. Step 3: Cross multiply
    755,848.70x = 1,043,031.84 × 469,362.68
  4. Step 4: Simplify right side
    755,848.70x = 489,560,219,747.73
  5. Step 5: Solve for x
    x = 489,560,219,747.73/755,848.70
  6. Step 6: Final answer
    x = 647,696.05

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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.