Home / 672,066.60-1,009,266.30-357,138.60

Finding the Fourth Proportional to 672,066.60, 1,009,266.30 and 357,138.60

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Solution

The fourth proportional to 672,066.60, 1,009,266.30 and 357,138.60 is: 536,327.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,066.60 : 1,009,266.30 = 357,138.60 : x
  2. Step 2: Convert to fraction form
    672,066.60/1,009,266.30 = 357,138.60/x
  3. Step 3: Cross multiply
    672,066.60x = 1,009,266.30 × 357,138.60
  4. Step 4: Simplify right side
    672,066.60x = 360,447,953,409.18
  5. Step 5: Solve for x
    x = 360,447,953,409.18/672,066.60
  6. Step 6: Final answer
    x = 536,327.73

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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.