Home / 862,150.15-1,189,720.33-474,890.10

Finding the Fourth Proportional to 862,150.15, 1,189,720.33 and 474,890.10

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Solution

The fourth proportional to 862,150.15, 1,189,720.33 and 474,890.10 is: 655,322.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,150.15 : 1,189,720.33 = 474,890.10 : x
  2. Step 2: Convert to fraction form
    862,150.15/1,189,720.33 = 474,890.10/x
  3. Step 3: Cross multiply
    862,150.15x = 1,189,720.33 × 474,890.10
  4. Step 4: Simplify right side
    862,150.15x = 564,986,406,485.73
  5. Step 5: Solve for x
    x = 564,986,406,485.73/862,150.15
  6. Step 6: Final answer
    x = 655,322.52

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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.