Home / 417,320.28-625,769.93-297,308.66

Finding the Fourth Proportional to 417,320.28, 625,769.93 and 297,308.66

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Solution

The fourth proportional to 417,320.28, 625,769.93 and 297,308.66 is: 445,813.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,320.28 : 625,769.93 = 297,308.66 : x
  2. Step 2: Convert to fraction form
    417,320.28/625,769.93 = 297,308.66/x
  3. Step 3: Cross multiply
    417,320.28x = 625,769.93 × 297,308.66
  4. Step 4: Simplify right side
    417,320.28x = 186,046,814,741.20
  5. Step 5: Solve for x
    x = 186,046,814,741.20/417,320.28
  6. Step 6: Final answer
    x = 445,813.02

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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.