Home / 917,572.07-1,376,371.94-318,552.25

Finding the Fourth Proportional to 917,572.07, 1,376,371.94 and 318,552.25

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Solution

The fourth proportional to 917,572.07, 1,376,371.94 and 318,552.25 is: 477,833.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,572.07 : 1,376,371.94 = 318,552.25 : x
  2. Step 2: Convert to fraction form
    917,572.07/1,376,371.94 = 318,552.25/x
  3. Step 3: Cross multiply
    917,572.07x = 1,376,371.94 × 318,552.25
  4. Step 4: Simplify right side
    917,572.07x = 438,446,378,323.87
  5. Step 5: Solve for x
    x = 438,446,378,323.87/917,572.07
  6. Step 6: Final answer
    x = 477,833.18

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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.