Home / 484,300.45-668,056.31-302,697.21

Finding the Fourth Proportional to 484,300.45, 668,056.31 and 302,697.21

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Solution

The fourth proportional to 484,300.45, 668,056.31 and 302,697.21 is: 417,548.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,300.45 : 668,056.31 = 302,697.21 : x
  2. Step 2: Convert to fraction form
    484,300.45/668,056.31 = 302,697.21/x
  3. Step 3: Cross multiply
    484,300.45x = 668,056.31 × 302,697.21
  4. Step 4: Simplify right side
    484,300.45x = 202,218,777,819.61
  5. Step 5: Solve for x
    x = 202,218,777,819.61/484,300.45
  6. Step 6: Final answer
    x = 417,548.20

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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.