Home / 944,980.40-1,304,025-515,257.04

Finding the Fourth Proportional to 944,980.40, 1,304,025 and 515,257.04

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Solution

The fourth proportional to 944,980.40, 1,304,025 and 515,257.04 is: 711,028.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,980.40 : 1,304,025 = 515,257.04 : x
  2. Step 2: Convert to fraction form
    944,980.40/1,304,025 = 515,257.04/x
  3. Step 3: Cross multiply
    944,980.40x = 1,304,025 × 515,257.04
  4. Step 4: Simplify right side
    944,980.40x = 671,908,061,586
  5. Step 5: Solve for x
    x = 671,908,061,586/944,980.40
  6. Step 6: Final answer
    x = 711,028.57

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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.