Home / 964,920.30-1,447,380.45-433,479.30

Finding the Fourth Proportional to 964,920.30, 1,447,380.45 and 433,479.30

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Solution

The fourth proportional to 964,920.30, 1,447,380.45 and 433,479.30 is: 650,218.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,920.30 : 1,447,380.45 = 433,479.30 : x
  2. Step 2: Convert to fraction form
    964,920.30/1,447,380.45 = 433,479.30/x
  3. Step 3: Cross multiply
    964,920.30x = 1,447,380.45 × 433,479.30
  4. Step 4: Simplify right side
    964,920.30x = 627,409,464,299.69
  5. Step 5: Solve for x
    x = 627,409,464,299.69/964,920.30
  6. Step 6: Final answer
    x = 650,218.95

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Double scale
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Similar ratio
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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.