Home / 908,394.80-1,362,592.20-889,732.40

Finding the Fourth Proportional to 908,394.80, 1,362,592.20 and 889,732.40

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Solution

The fourth proportional to 908,394.80, 1,362,592.20 and 889,732.40 is: 1,334,598.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,394.80 : 1,362,592.20 = 889,732.40 : x
  2. Step 2: Convert to fraction form
    908,394.80/1,362,592.20 = 889,732.40/x
  3. Step 3: Cross multiply
    908,394.80x = 1,362,592.20 × 889,732.40
  4. Step 4: Simplify right side
    908,394.80x = 1,212,342,428,327.28
  5. Step 5: Solve for x
    x = 1,212,342,428,327.28/908,394.80
  6. Step 6: Final answer
    x = 1,334,598.60

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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.