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Finding the Fourth Proportional to 559,649.04, 772,296.12 and 304,995.12

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Solution

The fourth proportional to 559,649.04, 772,296.12 and 304,995.12 is: 420,882.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,649.04 : 772,296.12 = 304,995.12 : x
  2. Step 2: Convert to fraction form
    559,649.04/772,296.12 = 304,995.12/x
  3. Step 3: Cross multiply
    559,649.04x = 772,296.12 × 304,995.12
  4. Step 4: Simplify right side
    559,649.04x = 235,546,547,794.93
  5. Step 5: Solve for x
    x = 235,546,547,794.93/559,649.04
  6. Step 6: Final answer
    x = 420,882.61

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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.