Home / 810,445.97-1,118,320.27-447,848.20

Finding the Fourth Proportional to 810,445.97, 1,118,320.27 and 447,848.20

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Solution

The fourth proportional to 810,445.97, 1,118,320.27 and 447,848.20 is: 617,977.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,445.97 : 1,118,320.27 = 447,848.20 : x
  2. Step 2: Convert to fraction form
    810,445.97/1,118,320.27 = 447,848.20/x
  3. Step 3: Cross multiply
    810,445.97x = 1,118,320.27 × 447,848.20
  4. Step 4: Simplify right side
    810,445.97x = 500,837,716,027.59
  5. Step 5: Solve for x
    x = 500,837,716,027.59/810,445.97
  6. Step 6: Final answer
    x = 617,977.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.