Home / 862,326.79-1,190,047.74-480,353.74

Finding the Fourth Proportional to 862,326.79, 1,190,047.74 and 480,353.74

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Solution

The fourth proportional to 862,326.79, 1,190,047.74 and 480,353.74 is: 662,908.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,326.79 : 1,190,047.74 = 480,353.74 : x
  2. Step 2: Convert to fraction form
    862,326.79/1,190,047.74 = 480,353.74/x
  3. Step 3: Cross multiply
    862,326.79x = 1,190,047.74 × 480,353.74
  4. Step 4: Simplify right side
    862,326.79x = 571,643,882,687.55
  5. Step 5: Solve for x
    x = 571,643,882,687.55/862,326.79
  6. Step 6: Final answer
    x = 662,908.64

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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.