Home / 931,448.30-1,397,130.49-324,664.47

Finding the Fourth Proportional to 931,448.30, 1,397,130.49 and 324,664.47

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Solution

The fourth proportional to 931,448.30, 1,397,130.49 and 324,664.47 is: 486,982.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,448.30 : 1,397,130.49 = 324,664.47 : x
  2. Step 2: Convert to fraction form
    931,448.30/1,397,130.49 = 324,664.47/x
  3. Step 3: Cross multiply
    931,448.30x = 1,397,130.49 × 324,664.47
  4. Step 4: Simplify right side
    931,448.30x = 453,598,630,462.52
  5. Step 5: Solve for x
    x = 453,598,630,462.52/931,448.30
  6. Step 6: Final answer
    x = 486,982.08

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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.