Home / 917,572.12-1,376,372.01-318,552.31

Finding the Fourth Proportional to 917,572.12, 1,376,372.01 and 318,552.31

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Solution

The fourth proportional to 917,572.12, 1,376,372.01 and 318,552.31 is: 477,833.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,572.12 : 1,376,372.01 = 318,552.31 : x
  2. Step 2: Convert to fraction form
    917,572.12/1,376,372.01 = 318,552.31/x
  3. Step 3: Cross multiply
    917,572.12x = 1,376,372.01 × 318,552.31
  4. Step 4: Simplify right side
    917,572.12x = 438,446,483,204.84
  5. Step 5: Solve for x
    x = 438,446,483,204.84/917,572.12
  6. Step 6: Final answer
    x = 477,833.27

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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.