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Finding the Fourth Proportional to 602,648.79, 831,449.34 and 344,340.42

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Solution

The fourth proportional to 602,648.79, 831,449.34 and 344,340.42 is: 475,072.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,648.79 : 831,449.34 = 344,340.42 : x
  2. Step 2: Convert to fraction form
    602,648.79/831,449.34 = 344,340.42/x
  3. Step 3: Cross multiply
    602,648.79x = 831,449.34 × 344,340.42
  4. Step 4: Simplify right side
    602,648.79x = 286,301,614,944.32
  5. Step 5: Solve for x
    x = 286,301,614,944.32/602,648.79
  6. Step 6: Final answer
    x = 475,072.08

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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.