Home / 2,900,316.40-4,350,474.60-770,729.20

Finding the Fourth Proportional to 2,900,316.40, 4,350,474.60 and 770,729.20

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Solution

The fourth proportional to 2,900,316.40, 4,350,474.60 and 770,729.20 is: 1,156,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900,316.40 : 4,350,474.60 = 770,729.20 : x
  2. Step 2: Convert to fraction form
    2,900,316.40/4,350,474.60 = 770,729.20/x
  3. Step 3: Cross multiply
    2,900,316.40x = 4,350,474.60 × 770,729.20
  4. Step 4: Simplify right side
    2,900,316.40x = 3,353,037,808,078.32
  5. Step 5: Solve for x
    x = 3,353,037,808,078.32/2,900,316.40
  6. Step 6: Final answer
    x = 1,156,093.80

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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.