Home / 922,820.34-1,384,222.20-291,734.35

Finding the Fourth Proportional to 922,820.34, 1,384,222.20 and 291,734.35

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Solution

The fourth proportional to 922,820.34, 1,384,222.20 and 291,734.35 is: 437,598.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,820.34 : 1,384,222.20 = 291,734.35 : x
  2. Step 2: Convert to fraction form
    922,820.34/1,384,222.20 = 291,734.35/x
  3. Step 3: Cross multiply
    922,820.34x = 1,384,222.20 × 291,734.35
  4. Step 4: Simplify right side
    922,820.34x = 403,825,163,772.57
  5. Step 5: Solve for x
    x = 403,825,163,772.57/922,820.34
  6. Step 6: Final answer
    x = 437,598.90

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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.