Home / 907,290.18-1,252,050.54-499,383.28

Finding the Fourth Proportional to 907,290.18, 1,252,050.54 and 499,383.28

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Solution

The fourth proportional to 907,290.18, 1,252,050.54 and 499,383.28 is: 689,143.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,290.18 : 1,252,050.54 = 499,383.28 : x
  2. Step 2: Convert to fraction form
    907,290.18/1,252,050.54 = 499,383.28/x
  3. Step 3: Cross multiply
    907,290.18x = 1,252,050.54 × 499,383.28
  4. Step 4: Simplify right side
    907,290.18x = 625,253,105,390.97
  5. Step 5: Solve for x
    x = 625,253,105,390.97/907,290.18
  6. Step 6: Final answer
    x = 689,143.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.