Home / 908,160-1,362,278.32-268,465.20

Finding the Fourth Proportional to 908,160, 1,362,278.32 and 268,465.20

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Solution

The fourth proportional to 908,160, 1,362,278.32 and 268,465.20 is: 402,709.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,160 : 1,362,278.32 = 268,465.20 : x
  2. Step 2: Convert to fraction form
    908,160/1,362,278.32 = 268,465.20/x
  3. Step 3: Cross multiply
    908,160x = 1,362,278.32 × 268,465.20
  4. Step 4: Simplify right side
    908,160x = 365,724,321,634.46
  5. Step 5: Solve for x
    x = 365,724,321,634.46/908,160
  6. Step 6: Final answer
    x = 402,709.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.