Home / 908,391.80-1,362,587.70-889,729.40

Finding the Fourth Proportional to 908,391.80, 1,362,587.70 and 889,729.40

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Solution

The fourth proportional to 908,391.80, 1,362,587.70 and 889,729.40 is: 1,334,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,391.80 : 1,362,587.70 = 889,729.40 : x
  2. Step 2: Convert to fraction form
    908,391.80/1,362,587.70 = 889,729.40/x
  3. Step 3: Cross multiply
    908,391.80x = 1,362,587.70 × 889,729.40
  4. Step 4: Simplify right side
    908,391.80x = 1,212,334,336,768.38
  5. Step 5: Solve for x
    x = 1,212,334,336,768.38/908,391.80
  6. Step 6: Final answer
    x = 1,334,594.10

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1.5x scale

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.