Home / 907,979.44-1,253,068.50-500,081.19

Finding the Fourth Proportional to 907,979.44, 1,253,068.50 and 500,081.19

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Solution

The fourth proportional to 907,979.44, 1,253,068.50 and 500,081.19 is: 690,143.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,979.44 : 1,253,068.50 = 500,081.19 : x
  2. Step 2: Convert to fraction form
    907,979.44/1,253,068.50 = 500,081.19/x
  3. Step 3: Cross multiply
    907,979.44x = 1,253,068.50 × 500,081.19
  4. Step 4: Simplify right side
    907,979.44x = 626,635,982,750.95
  5. Step 5: Solve for x
    x = 626,635,982,750.95/907,979.44
  6. Step 6: Final answer
    x = 690,143.36

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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.