Home / 839,484.22-1,259,214.60-478,885.50

Finding the Fourth Proportional to 839,484.22, 1,259,214.60 and 478,885.50

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Solution

The fourth proportional to 839,484.22, 1,259,214.60 and 478,885.50 is: 718,321.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,484.22 : 1,259,214.60 = 478,885.50 : x
  2. Step 2: Convert to fraction form
    839,484.22/1,259,214.60 = 478,885.50/x
  3. Step 3: Cross multiply
    839,484.22x = 1,259,214.60 × 478,885.50
  4. Step 4: Simplify right side
    839,484.22x = 603,019,613,328.30
  5. Step 5: Solve for x
    x = 603,019,613,328.30/839,484.22
  6. Step 6: Final answer
    x = 718,321.56

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1.5x scale

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.