Home / 780,302.93-1,170,454.40-219,337.43

Finding the Fourth Proportional to 780,302.93, 1,170,454.40 and 219,337.43

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Solution

The fourth proportional to 780,302.93, 1,170,454.40 and 219,337.43 is: 329,006.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,302.93 : 1,170,454.40 = 219,337.43 : x
  2. Step 2: Convert to fraction form
    780,302.93/1,170,454.40 = 219,337.43/x
  3. Step 3: Cross multiply
    780,302.93x = 1,170,454.40 × 219,337.43
  4. Step 4: Simplify right side
    780,302.93x = 256,724,453,079.23
  5. Step 5: Solve for x
    x = 256,724,453,079.23/780,302.93
  6. Step 6: Final answer
    x = 329,006.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.