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Finding the Fourth Proportional to 637,673.71, 880,029.49 and 351,193.72

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Solution

The fourth proportional to 637,673.71, 880,029.49 and 351,193.72 is: 484,669.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,673.71 : 880,029.49 = 351,193.72 : x
  2. Step 2: Convert to fraction form
    637,673.71/880,029.49 = 351,193.72/x
  3. Step 3: Cross multiply
    637,673.71x = 880,029.49 × 351,193.72
  4. Step 4: Simplify right side
    637,673.71x = 309,060,830,302.80
  5. Step 5: Solve for x
    x = 309,060,830,302.80/637,673.71
  6. Step 6: Final answer
    x = 484,669.24

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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.