Home / 810,132.48-1,117,977.48-447,579.72

Finding the Fourth Proportional to 810,132.48, 1,117,977.48 and 447,579.72

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Solution

The fourth proportional to 810,132.48, 1,117,977.48 and 447,579.72 is: 617,657.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,132.48 : 1,117,977.48 = 447,579.72 : x
  2. Step 2: Convert to fraction form
    810,132.48/1,117,977.48 = 447,579.72/x
  3. Step 3: Cross multiply
    810,132.48x = 1,117,977.48 × 447,579.72
  4. Step 4: Simplify right side
    810,132.48x = 500,384,047,464.71
  5. Step 5: Solve for x
    x = 500,384,047,464.71/810,132.48
  6. Step 6: Final answer
    x = 617,657.06

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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.