Home / 963,441.45-1,329,380.21-549,789.36

Finding the Fourth Proportional to 963,441.45, 1,329,380.21 and 549,789.36

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Solution

The fourth proportional to 963,441.45, 1,329,380.21 and 549,789.36 is: 758,612.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,441.45 : 1,329,380.21 = 549,789.36 : x
  2. Step 2: Convert to fraction form
    963,441.45/1,329,380.21 = 549,789.36/x
  3. Step 3: Cross multiply
    963,441.45x = 1,329,380.21 × 549,789.36
  4. Step 4: Simplify right side
    963,441.45x = 730,879,094,852.57
  5. Step 5: Solve for x
    x = 730,879,094,852.57/963,441.45
  6. Step 6: Final answer
    x = 758,612.88

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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.