Home / 817,211.35-1,225,553.10-297,812.53

Finding the Fourth Proportional to 817,211.35, 1,225,553.10 and 297,812.53

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Solution

The fourth proportional to 817,211.35, 1,225,553.10 and 297,812.53 is: 446,622.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,211.35 : 1,225,553.10 = 297,812.53 : x
  2. Step 2: Convert to fraction form
    817,211.35/1,225,553.10 = 297,812.53/x
  3. Step 3: Cross multiply
    817,211.35x = 1,225,553.10 × 297,812.53
  4. Step 4: Simplify right side
    817,211.35x = 364,985,069,360.34
  5. Step 5: Solve for x
    x = 364,985,069,360.34/817,211.35
  6. Step 6: Final answer
    x = 446,622.61

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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.