Home / 743,883.47-1,026,671.41-453,663.42

Finding the Fourth Proportional to 743,883.47, 1,026,671.41 and 453,663.42

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Solution

The fourth proportional to 743,883.47, 1,026,671.41 and 453,663.42 is: 626,123.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,883.47 : 1,026,671.41 = 453,663.42 : x
  2. Step 2: Convert to fraction form
    743,883.47/1,026,671.41 = 453,663.42/x
  3. Step 3: Cross multiply
    743,883.47x = 1,026,671.41 × 453,663.42
  4. Step 4: Simplify right side
    743,883.47x = 465,763,263,076.82
  5. Step 5: Solve for x
    x = 465,763,263,076.82/743,883.47
  6. Step 6: Final answer
    x = 626,123.96

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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.