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Finding the Fourth Proportional to 871,592.80, 1,307,464.56 and 240,506.64

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Solution

The fourth proportional to 871,592.80, 1,307,464.56 and 240,506.64 is: 360,780.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,592.80 : 1,307,464.56 = 240,506.64 : x
  2. Step 2: Convert to fraction form
    871,592.80/1,307,464.56 = 240,506.64/x
  3. Step 3: Cross multiply
    871,592.80x = 1,307,464.56 × 240,506.64
  4. Step 4: Simplify right side
    871,592.80x = 314,453,908,244.68
  5. Step 5: Solve for x
    x = 314,453,908,244.68/871,592.80
  6. Step 6: Final answer
    x = 360,780.75

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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.