Home / 783,476.13-1,175,214.58-517,174.40

Finding the Fourth Proportional to 783,476.13, 1,175,214.58 and 517,174.40

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Solution

The fourth proportional to 783,476.13, 1,175,214.58 and 517,174.40 is: 775,761.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,476.13 : 1,175,214.58 = 517,174.40 : x
  2. Step 2: Convert to fraction form
    783,476.13/1,175,214.58 = 517,174.40/x
  3. Step 3: Cross multiply
    783,476.13x = 1,175,214.58 × 517,174.40
  4. Step 4: Simplify right side
    783,476.13x = 607,790,896,927.85
  5. Step 5: Solve for x
    x = 607,790,896,927.85/783,476.13
  6. Step 6: Final answer
    x = 775,761.86

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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.