Home / 456,125.28-629,628.48-408,294.24

Finding the Fourth Proportional to 456,125.28, 629,628.48 and 408,294.24

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Solution

The fourth proportional to 456,125.28, 629,628.48 and 408,294.24 is: 563,603.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,125.28 : 629,628.48 = 408,294.24 : x
  2. Step 2: Convert to fraction form
    456,125.28/629,628.48 = 408,294.24/x
  3. Step 3: Cross multiply
    456,125.28x = 629,628.48 × 408,294.24
  4. Step 4: Simplify right side
    456,125.28x = 257,073,681,723.96
  5. Step 5: Solve for x
    x = 257,073,681,723.96/456,125.28
  6. Step 6: Final answer
    x = 563,603.23

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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.