Home / 859,758.96-1,186,442.40-492,223.80

Finding the Fourth Proportional to 859,758.96, 1,186,442.40 and 492,223.80

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Solution

The fourth proportional to 859,758.96, 1,186,442.40 and 492,223.80 is: 679,254.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,758.96 : 1,186,442.40 = 492,223.80 : x
  2. Step 2: Convert to fraction form
    859,758.96/1,186,442.40 = 492,223.80/x
  3. Step 3: Cross multiply
    859,758.96x = 1,186,442.40 × 492,223.80
  4. Step 4: Simplify right side
    859,758.96x = 583,995,186,609.12
  5. Step 5: Solve for x
    x = 583,995,186,609.12/859,758.96
  6. Step 6: Final answer
    x = 679,254.55

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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.