Home / 908,444.12-1,362,877.07-309,410.43

Finding the Fourth Proportional to 908,444.12, 1,362,877.07 and 309,410.43

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Solution

The fourth proportional to 908,444.12, 1,362,877.07 and 309,410.43 is: 464,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,444.12 : 1,362,877.07 = 309,410.43 : x
  2. Step 2: Convert to fraction form
    908,444.12/1,362,877.07 = 309,410.43/x
  3. Step 3: Cross multiply
    908,444.12x = 1,362,877.07 × 309,410.43
  4. Step 4: Simplify right side
    908,444.12x = 421,688,378,718.79
  5. Step 5: Solve for x
    x = 421,688,378,718.79/908,444.12
  6. Step 6: Final answer
    x = 464,187.47

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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.