Home / 871,588.80-1,307,458.56-240,502.64

Finding the Fourth Proportional to 871,588.80, 1,307,458.56 and 240,502.64

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Solution

The fourth proportional to 871,588.80, 1,307,458.56 and 240,502.64 is: 360,774.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,588.80 : 1,307,458.56 = 240,502.64 : x
  2. Step 2: Convert to fraction form
    871,588.80/1,307,458.56 = 240,502.64/x
  3. Step 3: Cross multiply
    871,588.80x = 1,307,458.56 × 240,502.64
  4. Step 4: Simplify right side
    871,588.80x = 314,447,235,370.60
  5. Step 5: Solve for x
    x = 314,447,235,370.60/871,588.80
  6. Step 6: Final answer
    x = 360,774.75

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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.