Home / 804,987.02-1,110,908.72-442,423.73

Finding the Fourth Proportional to 804,987.02, 1,110,908.72 and 442,423.73

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Solution

The fourth proportional to 804,987.02, 1,110,908.72 and 442,423.73 is: 610,559.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,987.02 : 1,110,908.72 = 442,423.73 : x
  2. Step 2: Convert to fraction form
    804,987.02/1,110,908.72 = 442,423.73/x
  3. Step 3: Cross multiply
    804,987.02x = 1,110,908.72 × 442,423.73
  4. Step 4: Simplify right side
    804,987.02x = 491,492,379,591.93
  5. Step 5: Solve for x
    x = 491,492,379,591.93/804,987.02
  6. Step 6: Final answer
    x = 610,559.38

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Double scale
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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.