Home / 986,728.40-1,480,544.58-536,775.02

Finding the Fourth Proportional to 986,728.40, 1,480,544.58 and 536,775.02

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Solution

The fourth proportional to 986,728.40, 1,480,544.58 and 536,775.02 is: 805,408.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,728.40 : 1,480,544.58 = 536,775.02 : x
  2. Step 2: Convert to fraction form
    986,728.40/1,480,544.58 = 536,775.02/x
  3. Step 3: Cross multiply
    986,728.40x = 1,480,544.58 × 536,775.02
  4. Step 4: Simplify right side
    986,728.40x = 794,719,339,137.67
  5. Step 5: Solve for x
    x = 794,719,339,137.67/986,728.40
  6. Step 6: Final answer
    x = 805,408.40

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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.