Home / 748,840.30-1,123,357.65-369,954.70

Finding the Fourth Proportional to 748,840.30, 1,123,357.65 and 369,954.70

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Solution

The fourth proportional to 748,840.30, 1,123,357.65 and 369,954.70 is: 554,980.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,840.30 : 1,123,357.65 = 369,954.70 : x
  2. Step 2: Convert to fraction form
    748,840.30/1,123,357.65 = 369,954.70/x
  3. Step 3: Cross multiply
    748,840.30x = 1,123,357.65 × 369,954.70
  4. Step 4: Simplify right side
    748,840.30x = 415,591,442,398.46
  5. Step 5: Solve for x
    x = 415,591,442,398.46/748,840.30
  6. Step 6: Final answer
    x = 554,980.07

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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.