Home / 478,849.16-660,799.68-263,984.24

Finding the Fourth Proportional to 478,849.16, 660,799.68 and 263,984.24

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Solution

The fourth proportional to 478,849.16, 660,799.68 and 263,984.24 is: 364,291.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,849.16 : 660,799.68 = 263,984.24 : x
  2. Step 2: Convert to fraction form
    478,849.16/660,799.68 = 263,984.24/x
  3. Step 3: Cross multiply
    478,849.16x = 660,799.68 × 263,984.24
  4. Step 4: Simplify right side
    478,849.16x = 174,440,701,317.04
  5. Step 5: Solve for x
    x = 174,440,701,317.04/478,849.16
  6. Step 6: Final answer
    x = 364,291.55

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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.