Home / 726,673.70-1,090,010.55-371,569.70

Finding the Fourth Proportional to 726,673.70, 1,090,010.55 and 371,569.70

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Solution

The fourth proportional to 726,673.70, 1,090,010.55 and 371,569.70 is: 557,354.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,673.70 : 1,090,010.55 = 371,569.70 : x
  2. Step 2: Convert to fraction form
    726,673.70/1,090,010.55 = 371,569.70/x
  3. Step 3: Cross multiply
    726,673.70x = 1,090,010.55 × 371,569.70
  4. Step 4: Simplify right side
    726,673.70x = 405,014,893,060.34
  5. Step 5: Solve for x
    x = 405,014,893,060.34/726,673.70
  6. Step 6: Final answer
    x = 557,354.55

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Double scale
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Similar ratio
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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.