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Finding the Fourth Proportional to 517,262.45, 713,715.17 and 302,360.94

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Solution

The fourth proportional to 517,262.45, 713,715.17 and 302,360.94 is: 417,195.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,262.45 : 713,715.17 = 302,360.94 : x
  2. Step 2: Convert to fraction form
    517,262.45/713,715.17 = 302,360.94/x
  3. Step 3: Cross multiply
    517,262.45x = 713,715.17 × 302,360.94
  4. Step 4: Simplify right side
    517,262.45x = 215,799,588,181.66
  5. Step 5: Solve for x
    x = 215,799,588,181.66/517,262.45
  6. Step 6: Final answer
    x = 417,195.55

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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.