Home / 999,850.30-1,499,775.48-550,339.79

Finding the Fourth Proportional to 999,850.30, 1,499,775.48 and 550,339.79

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Solution

The fourth proportional to 999,850.30, 1,499,775.48 and 550,339.79 is: 825,509.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,850.30 : 1,499,775.48 = 550,339.79 : x
  2. Step 2: Convert to fraction form
    999,850.30/1,499,775.48 = 550,339.79/x
  3. Step 3: Cross multiply
    999,850.30x = 1,499,775.48 × 550,339.79
  4. Step 4: Simplify right side
    999,850.30x = 825,386,115,211.47
  5. Step 5: Solve for x
    x = 825,386,115,211.47/999,850.30
  6. Step 6: Final answer
    x = 825,509.70

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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.