Home / 865,499.40-1,298,249.10-824,165.10

Finding the Fourth Proportional to 865,499.40, 1,298,249.10 and 824,165.10

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Solution

The fourth proportional to 865,499.40, 1,298,249.10 and 824,165.10 is: 1,236,247.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,499.40 : 1,298,249.10 = 824,165.10 : x
  2. Step 2: Convert to fraction form
    865,499.40/1,298,249.10 = 824,165.10/x
  3. Step 3: Cross multiply
    865,499.40x = 1,298,249.10 × 824,165.10
  4. Step 4: Simplify right side
    865,499.40x = 1,069,971,599,326.41
  5. Step 5: Solve for x
    x = 1,069,971,599,326.41/865,499.40
  6. Step 6: Final answer
    x = 1,236,247.65

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Double scale
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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.