Home / 791,269.23-1,091,950.06-428,702.10

Finding the Fourth Proportional to 791,269.23, 1,091,950.06 and 428,702.10

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Solution

The fourth proportional to 791,269.23, 1,091,950.06 and 428,702.10 is: 591,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,269.23 : 1,091,950.06 = 428,702.10 : x
  2. Step 2: Convert to fraction form
    791,269.23/1,091,950.06 = 428,702.10/x
  3. Step 3: Cross multiply
    791,269.23x = 1,091,950.06 × 428,702.10
  4. Step 4: Simplify right side
    791,269.23x = 468,121,283,817.13
  5. Step 5: Solve for x
    x = 468,121,283,817.13/791,269.23
  6. Step 6: Final answer
    x = 591,608.10

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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.