Home / 862,882.51-1,190,818.41-480,912.02

Finding the Fourth Proportional to 862,882.51, 1,190,818.41 and 480,912.02

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Solution

The fourth proportional to 862,882.51, 1,190,818.41 and 480,912.02 is: 663,681.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,882.51 : 1,190,818.41 = 480,912.02 : x
  2. Step 2: Convert to fraction form
    862,882.51/1,190,818.41 = 480,912.02/x
  3. Step 3: Cross multiply
    862,882.51x = 1,190,818.41 × 480,912.02
  4. Step 4: Simplify right side
    862,882.51x = 572,678,888,399.98
  5. Step 5: Solve for x
    x = 572,678,888,399.98/862,882.51
  6. Step 6: Final answer
    x = 663,681.19

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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.