Home / 402,931.72-603,788.64-269,573.26

Finding the Fourth Proportional to 402,931.72, 603,788.64 and 269,573.26

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Solution

The fourth proportional to 402,931.72, 603,788.64 and 269,573.26 is: 403,952.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,931.72 : 603,788.64 = 269,573.26 : x
  2. Step 2: Convert to fraction form
    402,931.72/603,788.64 = 269,573.26/x
  3. Step 3: Cross multiply
    402,931.72x = 603,788.64 × 269,573.26
  4. Step 4: Simplify right side
    402,931.72x = 162,765,272,035.77
  5. Step 5: Solve for x
    x = 162,765,272,035.77/402,931.72
  6. Step 6: Final answer
    x = 403,952.49

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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.