Home / 879,799.08-1,214,022.38-492,560.66

Finding the Fourth Proportional to 879,799.08, 1,214,022.38 and 492,560.66

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Solution

The fourth proportional to 879,799.08, 1,214,022.38 and 492,560.66 is: 679,677.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,799.08 : 1,214,022.38 = 492,560.66 : x
  2. Step 2: Convert to fraction form
    879,799.08/1,214,022.38 = 492,560.66/x
  3. Step 3: Cross multiply
    879,799.08x = 1,214,022.38 × 492,560.66
  4. Step 4: Simplify right side
    879,799.08x = 597,979,668,090.48
  5. Step 5: Solve for x
    x = 597,979,668,090.48/879,799.08
  6. Step 6: Final answer
    x = 679,677.53

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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.