Home / 871,808.42-1,307,870.73-359,188.89

Finding the Fourth Proportional to 871,808.42, 1,307,870.73 and 359,188.89

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Solution

The fourth proportional to 871,808.42, 1,307,870.73 and 359,188.89 is: 538,848.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,808.42 : 1,307,870.73 = 359,188.89 : x
  2. Step 2: Convert to fraction form
    871,808.42/1,307,870.73 = 359,188.89/x
  3. Step 3: Cross multiply
    871,808.42x = 1,307,870.73 × 359,188.89
  4. Step 4: Simplify right side
    871,808.42x = 469,772,640,568.77
  5. Step 5: Solve for x
    x = 469,772,640,568.77/871,808.42
  6. Step 6: Final answer
    x = 538,848.48

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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.