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Finding the Fourth Proportional to 560,488.02, 773,492.13 and 305,853.18

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Solution

The fourth proportional to 560,488.02, 773,492.13 and 305,853.18 is: 422,087.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,488.02 : 773,492.13 = 305,853.18 : x
  2. Step 2: Convert to fraction form
    560,488.02/773,492.13 = 305,853.18/x
  3. Step 3: Cross multiply
    560,488.02x = 773,492.13 × 305,853.18
  4. Step 4: Simplify right side
    560,488.02x = 236,575,027,665.47
  5. Step 5: Solve for x
    x = 236,575,027,665.47/560,488.02
  6. Step 6: Final answer
    x = 422,087.57

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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.