Home / 785,449.12-1,179,947.24-465,810.64

Finding the Fourth Proportional to 785,449.12, 1,179,947.24 and 465,810.64

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Solution

The fourth proportional to 785,449.12, 1,179,947.24 and 465,810.64 is: 699,767.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,449.12 : 1,179,947.24 = 465,810.64 : x
  2. Step 2: Convert to fraction form
    785,449.12/1,179,947.24 = 465,810.64/x
  3. Step 3: Cross multiply
    785,449.12x = 1,179,947.24 × 465,810.64
  4. Step 4: Simplify right side
    785,449.12x = 549,631,979,030.63
  5. Step 5: Solve for x
    x = 549,631,979,030.63/785,449.12
  6. Step 6: Final answer
    x = 699,767.77

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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.