Home / 965,339.10-1,448,008.65-611,919.90

Finding the Fourth Proportional to 965,339.10, 1,448,008.65 and 611,919.90

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Solution

The fourth proportional to 965,339.10, 1,448,008.65 and 611,919.90 is: 917,879.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,339.10 : 1,448,008.65 = 611,919.90 : x
  2. Step 2: Convert to fraction form
    965,339.10/1,448,008.65 = 611,919.90/x
  3. Step 3: Cross multiply
    965,339.10x = 1,448,008.65 × 611,919.90
  4. Step 4: Simplify right side
    965,339.10x = 886,065,308,307.14
  5. Step 5: Solve for x
    x = 886,065,308,307.14/965,339.10
  6. Step 6: Final answer
    x = 917,879.85

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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.