Home / 746,377.40-1,029,961.94-424,042.76

Finding the Fourth Proportional to 746,377.40, 1,029,961.94 and 424,042.76

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Solution

The fourth proportional to 746,377.40, 1,029,961.94 and 424,042.76 is: 585,156.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,377.40 : 1,029,961.94 = 424,042.76 : x
  2. Step 2: Convert to fraction form
    746,377.40/1,029,961.94 = 424,042.76/x
  3. Step 3: Cross multiply
    746,377.40x = 1,029,961.94 × 424,042.76
  4. Step 4: Simplify right side
    746,377.40x = 436,747,903,732.55
  5. Step 5: Solve for x
    x = 436,747,903,732.55/746,377.40
  6. Step 6: Final answer
    x = 585,156.92

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1.5x scale

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.