Home / 654,824.08-903,401.40-368,278.48

Finding the Fourth Proportional to 654,824.08, 903,401.40 and 368,278.48

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Solution

The fourth proportional to 654,824.08, 903,401.40 and 368,278.48 is: 508,080.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,824.08 : 903,401.40 = 368,278.48 : x
  2. Step 2: Convert to fraction form
    654,824.08/903,401.40 = 368,278.48/x
  3. Step 3: Cross multiply
    654,824.08x = 903,401.40 × 368,278.48
  4. Step 4: Simplify right side
    654,824.08x = 332,703,294,421.87
  5. Step 5: Solve for x
    x = 332,703,294,421.87/654,824.08
  6. Step 6: Final answer
    x = 508,080.42

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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.