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Finding the Fourth Proportional to 602,794.87, 831,854 and 330,867.39

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Solution

The fourth proportional to 602,794.87, 831,854 and 330,867.39 is: 456,595.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,794.87 : 831,854 = 330,867.39 : x
  2. Step 2: Convert to fraction form
    602,794.87/831,854 = 330,867.39/x
  3. Step 3: Cross multiply
    602,794.87x = 831,854 × 330,867.39
  4. Step 4: Simplify right side
    602,794.87x = 275,233,361,841.06
  5. Step 5: Solve for x
    x = 275,233,361,841.06/602,794.87
  6. Step 6: Final answer
    x = 456,595.40

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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.