Home / 662,931.81-914,813.33-376,414.29

Finding the Fourth Proportional to 662,931.81, 914,813.33 and 376,414.29

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Solution

The fourth proportional to 662,931.81, 914,813.33 and 376,414.29 is: 519,433.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,931.81 : 914,813.33 = 376,414.29 : x
  2. Step 2: Convert to fraction form
    662,931.81/914,813.33 = 376,414.29/x
  3. Step 3: Cross multiply
    662,931.81x = 914,813.33 × 376,414.29
  4. Step 4: Simplify right side
    662,931.81x = 344,348,808,212.41
  5. Step 5: Solve for x
    x = 344,348,808,212.41/662,931.81
  6. Step 6: Final answer
    x = 519,433.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.