Home / 908,521.20-1,362,781.80-902,300.40

Finding the Fourth Proportional to 908,521.20, 1,362,781.80 and 902,300.40

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Solution

The fourth proportional to 908,521.20, 1,362,781.80 and 902,300.40 is: 1,353,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,521.20 : 1,362,781.80 = 902,300.40 : x
  2. Step 2: Convert to fraction form
    908,521.20/1,362,781.80 = 902,300.40/x
  3. Step 3: Cross multiply
    908,521.20x = 1,362,781.80 × 902,300.40
  4. Step 4: Simplify right side
    908,521.20x = 1,229,638,563,252.72
  5. Step 5: Solve for x
    x = 1,229,638,563,252.72/908,521.20
  6. Step 6: Final answer
    x = 1,353,450.60

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Similar ratio
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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.