Home / 883,137.57-1,218,888.89-520,540.26

Finding the Fourth Proportional to 883,137.57, 1,218,888.89 and 520,540.26

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Solution

The fourth proportional to 883,137.57, 1,218,888.89 and 520,540.26 is: 718,439.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,137.57 : 1,218,888.89 = 520,540.26 : x
  2. Step 2: Convert to fraction form
    883,137.57/1,218,888.89 = 520,540.26/x
  3. Step 3: Cross multiply
    883,137.57x = 1,218,888.89 × 520,540.26
  4. Step 4: Simplify right side
    883,137.57x = 634,480,739,711.71
  5. Step 5: Solve for x
    x = 634,480,739,711.71/883,137.57
  6. Step 6: Final answer
    x = 718,439.30

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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.