Home / 988,909.30-1,483,277.55-324,061.30

Finding the Fourth Proportional to 988,909.30, 1,483,277.55 and 324,061.30

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Solution

The fourth proportional to 988,909.30, 1,483,277.55 and 324,061.30 is: 486,063.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,909.30 : 1,483,277.55 = 324,061.30 : x
  2. Step 2: Convert to fraction form
    988,909.30/1,483,277.55 = 324,061.30/x
  3. Step 3: Cross multiply
    988,909.30x = 1,483,277.55 × 324,061.30
  4. Step 4: Simplify right side
    988,909.30x = 480,672,851,113.82
  5. Step 5: Solve for x
    x = 480,672,851,113.82/988,909.30
  6. Step 6: Final answer
    x = 486,063.64

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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.