Home / 637,717.17-880,009.30-351,237.26

Finding the Fourth Proportional to 637,717.17, 880,009.30 and 351,237.26

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Solution

The fourth proportional to 637,717.17, 880,009.30 and 351,237.26 is: 484,685.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,717.17 : 880,009.30 = 351,237.26 : x
  2. Step 2: Convert to fraction form
    637,717.17/880,009.30 = 351,237.26/x
  3. Step 3: Cross multiply
    637,717.17x = 880,009.30 × 351,237.26
  4. Step 4: Simplify right side
    637,717.17x = 309,092,055,306.52
  5. Step 5: Solve for x
    x = 309,092,055,306.52/637,717.17
  6. Step 6: Final answer
    x = 484,685.17

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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.