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Finding the Fourth Proportional to 602,296.95, 831,155.41 and 330,362.40

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Solution

The fourth proportional to 602,296.95, 831,155.41 and 330,362.40 is: 455,892.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,296.95 : 831,155.41 = 330,362.40 : x
  2. Step 2: Convert to fraction form
    602,296.95/831,155.41 = 330,362.40/x
  3. Step 3: Cross multiply
    602,296.95x = 831,155.41 × 330,362.40
  4. Step 4: Simplify right side
    602,296.95x = 274,582,496,020.58
  5. Step 5: Solve for x
    x = 274,582,496,020.58/602,296.95
  6. Step 6: Final answer
    x = 455,892.22

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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.