Home / 783,671.42-1,175,501.96-215,008.04

Finding the Fourth Proportional to 783,671.42, 1,175,501.96 and 215,008.04

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Solution

The fourth proportional to 783,671.42, 1,175,501.96 and 215,008.04 is: 322,510.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,671.42 : 1,175,501.96 = 215,008.04 : x
  2. Step 2: Convert to fraction form
    783,671.42/1,175,501.96 = 215,008.04/x
  3. Step 3: Cross multiply
    783,671.42x = 1,175,501.96 × 215,008.04
  4. Step 4: Simplify right side
    783,671.42x = 252,742,372,435.76
  5. Step 5: Solve for x
    x = 252,742,372,435.76/783,671.42
  6. Step 6: Final answer
    x = 322,510.64

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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.