Home / 805,269.51-1,111,293.15-442,702.51

Finding the Fourth Proportional to 805,269.51, 1,111,293.15 and 442,702.51

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Solution

The fourth proportional to 805,269.51, 1,111,293.15 and 442,702.51 is: 610,941.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,269.51 : 1,111,293.15 = 442,702.51 : x
  2. Step 2: Convert to fraction form
    805,269.51/1,111,293.15 = 442,702.51/x
  3. Step 3: Cross multiply
    805,269.51x = 1,111,293.15 × 442,702.51
  4. Step 4: Simplify right side
    805,269.51x = 491,972,266,850.81
  5. Step 5: Solve for x
    x = 491,972,266,850.81/805,269.51
  6. Step 6: Final answer
    x = 610,941.13

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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.