Home / 731,212.60-1,096,376.08-478,187.68

Finding the Fourth Proportional to 731,212.60, 1,096,376.08 and 478,187.68

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Solution

The fourth proportional to 731,212.60, 1,096,376.08 and 478,187.68 is: 716,991.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,212.60 : 1,096,376.08 = 478,187.68 : x
  2. Step 2: Convert to fraction form
    731,212.60/1,096,376.08 = 478,187.68/x
  3. Step 3: Cross multiply
    731,212.60x = 1,096,376.08 × 478,187.68
  4. Step 4: Simplify right side
    731,212.60x = 524,273,534,102.69
  5. Step 5: Solve for x
    x = 524,273,534,102.69/731,212.60
  6. Step 6: Final answer
    x = 716,991.93

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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.