Home / 972,316.40-1,458,037.20-439,563.20

Finding the Fourth Proportional to 972,316.40, 1,458,037.20 and 439,563.20

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Solution

The fourth proportional to 972,316.40, 1,458,037.20 and 439,563.20 is: 659,147.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,316.40 : 1,458,037.20 = 439,563.20 : x
  2. Step 2: Convert to fraction form
    972,316.40/1,458,037.20 = 439,563.20/x
  3. Step 3: Cross multiply
    972,316.40x = 1,458,037.20 × 439,563.20
  4. Step 4: Simplify right side
    972,316.40x = 640,899,497,351.04
  5. Step 5: Solve for x
    x = 640,899,497,351.04/972,316.40
  6. Step 6: Final answer
    x = 659,147.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.