Home / 883,132.81-1,218,882.33-520,535.50

Finding the Fourth Proportional to 883,132.81, 1,218,882.33 and 520,535.50

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Solution

The fourth proportional to 883,132.81, 1,218,882.33 and 520,535.50 is: 718,432.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,132.81 : 1,218,882.33 = 520,535.50 : x
  2. Step 2: Convert to fraction form
    883,132.81/1,218,882.33 = 520,535.50/x
  3. Step 3: Cross multiply
    883,132.81x = 1,218,882.33 × 520,535.50
  4. Step 4: Simplify right side
    883,132.81x = 634,471,520,040.51
  5. Step 5: Solve for x
    x = 634,471,520,040.51/883,132.81
  6. Step 6: Final answer
    x = 718,432.74

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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.