Home / 379,741.72-523,567.24-243,535.36

Finding the Fourth Proportional to 379,741.72, 523,567.24 and 243,535.36

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Solution

The fourth proportional to 379,741.72, 523,567.24 and 243,535.36 is: 335,773.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,741.72 : 523,567.24 = 243,535.36 : x
  2. Step 2: Convert to fraction form
    379,741.72/523,567.24 = 243,535.36/x
  3. Step 3: Cross multiply
    379,741.72x = 523,567.24 × 243,535.36
  4. Step 4: Simplify right side
    379,741.72x = 127,507,136,277.61
  5. Step 5: Solve for x
    x = 127,507,136,277.61/379,741.72
  6. Step 6: Final answer
    x = 335,773.32

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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.