Home / 805,304.10-1,111,291.34-442,725.32

Finding the Fourth Proportional to 805,304.10, 1,111,291.34 and 442,725.32

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Solution

The fourth proportional to 805,304.10, 1,111,291.34 and 442,725.32 is: 610,945.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,304.10 : 1,111,291.34 = 442,725.32 : x
  2. Step 2: Convert to fraction form
    805,304.10/1,111,291.34 = 442,725.32/x
  3. Step 3: Cross multiply
    805,304.10x = 1,111,291.34 × 442,725.32
  4. Step 4: Simplify right side
    805,304.10x = 491,996,806,344.65
  5. Step 5: Solve for x
    x = 491,996,806,344.65/805,304.10
  6. Step 6: Final answer
    x = 610,945.37

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1.5x scale

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.