Home / 871,544.40-1,307,316.60-555,061.20

Finding the Fourth Proportional to 871,544.40, 1,307,316.60 and 555,061.20

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Solution

The fourth proportional to 871,544.40, 1,307,316.60 and 555,061.20 is: 832,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,544.40 : 1,307,316.60 = 555,061.20 : x
  2. Step 2: Convert to fraction form
    871,544.40/1,307,316.60 = 555,061.20/x
  3. Step 3: Cross multiply
    871,544.40x = 1,307,316.60 × 555,061.20
  4. Step 4: Simplify right side
    871,544.40x = 725,640,720,775.92
  5. Step 5: Solve for x
    x = 725,640,720,775.92/871,544.40
  6. Step 6: Final answer
    x = 832,591.80

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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.