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Finding the Fourth Proportional to 544,488.45, 751,363.16 and 302,765.83

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Solution

The fourth proportional to 544,488.45, 751,363.16 and 302,765.83 is: 417,799.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,488.45 : 751,363.16 = 302,765.83 : x
  2. Step 2: Convert to fraction form
    544,488.45/751,363.16 = 302,765.83/x
  3. Step 3: Cross multiply
    544,488.45x = 751,363.16 × 302,765.83
  4. Step 4: Simplify right side
    544,488.45x = 227,487,090,656.73
  5. Step 5: Solve for x
    x = 227,487,090,656.73/544,488.45
  6. Step 6: Final answer
    x = 417,799.66

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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.