Home / 850,009.30-1,173,038.64-468,049.76

Finding the Fourth Proportional to 850,009.30, 1,173,038.64 and 468,049.76

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Solution

The fourth proportional to 850,009.30, 1,173,038.64 and 468,049.76 is: 645,922.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,009.30 : 1,173,038.64 = 468,049.76 : x
  2. Step 2: Convert to fraction form
    850,009.30/1,173,038.64 = 468,049.76/x
  3. Step 3: Cross multiply
    850,009.30x = 1,173,038.64 × 468,049.76
  4. Step 4: Simplify right side
    850,009.30x = 549,040,453,922.73
  5. Step 5: Solve for x
    x = 549,040,453,922.73/850,009.30
  6. Step 6: Final answer
    x = 645,922.88

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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.