Home / 748,843.30-1,123,362.15-369,957.70

Finding the Fourth Proportional to 748,843.30, 1,123,362.15 and 369,957.70

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Solution

The fourth proportional to 748,843.30, 1,123,362.15 and 369,957.70 is: 554,984.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,843.30 : 1,123,362.15 = 369,957.70 : x
  2. Step 2: Convert to fraction form
    748,843.30/1,123,362.15 = 369,957.70/x
  3. Step 3: Cross multiply
    748,843.30x = 1,123,362.15 × 369,957.70
  4. Step 4: Simplify right side
    748,843.30x = 415,596,477,281.06
  5. Step 5: Solve for x
    x = 415,596,477,281.06/748,843.30
  6. Step 6: Final answer
    x = 554,984.57

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Double scale
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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.