Home / 871,569.15-1,307,353.73-310,401.15

Finding the Fourth Proportional to 871,569.15, 1,307,353.73 and 310,401.15

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Solution

The fourth proportional to 871,569.15, 1,307,353.73 and 310,401.15 is: 465,601.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,569.15 : 1,307,353.73 = 310,401.15 : x
  2. Step 2: Convert to fraction form
    871,569.15/1,307,353.73 = 310,401.15/x
  3. Step 3: Cross multiply
    871,569.15x = 1,307,353.73 × 310,401.15
  4. Step 4: Simplify right side
    871,569.15x = 405,804,099,696.78
  5. Step 5: Solve for x
    x = 405,804,099,696.78/871,569.15
  6. Step 6: Final answer
    x = 465,601.73

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Similar ratio
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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.