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Finding the Fourth Proportional to 602,607.39, 831,649.85 and 330,727.84

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Solution

The fourth proportional to 602,607.39, 831,649.85 and 330,727.84 is: 456,432.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,607.39 : 831,649.85 = 330,727.84 : x
  2. Step 2: Convert to fraction form
    602,607.39/831,649.85 = 330,727.84/x
  3. Step 3: Cross multiply
    602,607.39x = 831,649.85 × 330,727.84
  4. Step 4: Simplify right side
    602,607.39x = 275,049,758,526.82
  5. Step 5: Solve for x
    x = 275,049,758,526.82/602,607.39
  6. Step 6: Final answer
    x = 456,432.77

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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.