Home / 637,719.75-880,115.35-476,294.51

Finding the Fourth Proportional to 637,719.75, 880,115.35 and 476,294.51

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Solution

The fourth proportional to 637,719.75, 880,115.35 and 476,294.51 is: 657,332.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,719.75 : 880,115.35 = 476,294.51 : x
  2. Step 2: Convert to fraction form
    637,719.75/880,115.35 = 476,294.51/x
  3. Step 3: Cross multiply
    637,719.75x = 880,115.35 × 476,294.51
  4. Step 4: Simplify right side
    637,719.75x = 419,194,109,371.73
  5. Step 5: Solve for x
    x = 419,194,109,371.73/637,719.75
  6. Step 6: Final answer
    x = 657,332.80

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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.