Home / 980,404.20-1,470,606.30-731,572.20

Finding the Fourth Proportional to 980,404.20, 1,470,606.30 and 731,572.20

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Solution

The fourth proportional to 980,404.20, 1,470,606.30 and 731,572.20 is: 1,097,358.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,404.20 : 1,470,606.30 = 731,572.20 : x
  2. Step 2: Convert to fraction form
    980,404.20/1,470,606.30 = 731,572.20/x
  3. Step 3: Cross multiply
    980,404.20x = 1,470,606.30 × 731,572.20
  4. Step 4: Simplify right side
    980,404.20x = 1,075,854,686,224.86
  5. Step 5: Solve for x
    x = 1,075,854,686,224.86/980,404.20
  6. Step 6: Final answer
    x = 1,097,358.30

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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.