Home / 908,647.20-1,362,970.80-731,500.20

Finding the Fourth Proportional to 908,647.20, 1,362,970.80 and 731,500.20

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Solution

The fourth proportional to 908,647.20, 1,362,970.80 and 731,500.20 is: 1,097,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,647.20 : 1,362,970.80 = 731,500.20 : x
  2. Step 2: Convert to fraction form
    908,647.20/1,362,970.80 = 731,500.20/x
  3. Step 3: Cross multiply
    908,647.20x = 1,362,970.80 × 731,500.20
  4. Step 4: Simplify right side
    908,647.20x = 997,013,412,794.16
  5. Step 5: Solve for x
    x = 997,013,412,794.16/908,647.20
  6. Step 6: Final answer
    x = 1,097,250.30

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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.