Home / 603,727.20-904,278.60-366,656.40

Finding the Fourth Proportional to 603,727.20, 904,278.60 and 366,656.40

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Solution

The fourth proportional to 603,727.20, 904,278.60 and 366,656.40 is: 549,187.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,727.20 : 904,278.60 = 366,656.40 : x
  2. Step 2: Convert to fraction form
    603,727.20/904,278.60 = 366,656.40/x
  3. Step 3: Cross multiply
    603,727.20x = 904,278.60 × 366,656.40
  4. Step 4: Simplify right side
    603,727.20x = 331,559,536,073.04
  5. Step 5: Solve for x
    x = 331,559,536,073.04/603,727.20
  6. Step 6: Final answer
    x = 549,187.67

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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.