Home / 998,709.02-1,378,218.21-546,000.02

Finding the Fourth Proportional to 998,709.02, 1,378,218.21 and 546,000.02

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Solution

The fourth proportional to 998,709.02, 1,378,218.21 and 546,000.02 is: 753,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,709.02 : 1,378,218.21 = 546,000.02 : x
  2. Step 2: Convert to fraction form
    998,709.02/1,378,218.21 = 546,000.02/x
  3. Step 3: Cross multiply
    998,709.02x = 1,378,218.21 × 546,000.02
  4. Step 4: Simplify right side
    998,709.02x = 752,507,170,224.36
  5. Step 5: Solve for x
    x = 752,507,170,224.36/998,709.02
  6. Step 6: Final answer
    x = 753,479.90

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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.