Home / 871,480.48-1,307,430.87-302,778.82

Finding the Fourth Proportional to 871,480.48, 1,307,430.87 and 302,778.82

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Solution

The fourth proportional to 871,480.48, 1,307,430.87 and 302,778.82 is: 454,241.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,480.48 : 1,307,430.87 = 302,778.82 : x
  2. Step 2: Convert to fraction form
    871,480.48/1,307,430.87 = 302,778.82/x
  3. Step 3: Cross multiply
    871,480.48x = 1,307,430.87 × 302,778.82
  4. Step 4: Simplify right side
    871,480.48x = 395,862,376,050.17
  5. Step 5: Solve for x
    x = 395,862,376,050.17/871,480.48
  6. Step 6: Final answer
    x = 454,241.24

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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.