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Finding the Fourth Proportional to 602,530.30, 831,507.11 and 330,598.12

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Solution

The fourth proportional to 602,530.30, 831,507.11 and 330,598.12 is: 456,233.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,530.30 : 831,507.11 = 330,598.12 : x
  2. Step 2: Convert to fraction form
    602,530.30/831,507.11 = 330,598.12/x
  3. Step 3: Cross multiply
    602,530.30x = 831,507.11 × 330,598.12
  4. Step 4: Simplify right side
    602,530.30x = 274,894,687,332.63
  5. Step 5: Solve for x
    x = 274,894,687,332.63/602,530.30
  6. Step 6: Final answer
    x = 456,233.80

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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.