Home / 428,473.90-591,312.64-237,487.44

Finding the Fourth Proportional to 428,473.90, 591,312.64 and 237,487.44

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Solution

The fourth proportional to 428,473.90, 591,312.64 and 237,487.44 is: 327,743.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,473.90 : 591,312.64 = 237,487.44 : x
  2. Step 2: Convert to fraction form
    428,473.90/591,312.64 = 237,487.44/x
  3. Step 3: Cross multiply
    428,473.90x = 591,312.64 × 237,487.44
  4. Step 4: Simplify right side
    428,473.90x = 140,429,325,113.24
  5. Step 5: Solve for x
    x = 140,429,325,113.24/428,473.90
  6. Step 6: Final answer
    x = 327,743.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.