Home / 561,220.37-774,455.24-306,522.35

Finding the Fourth Proportional to 561,220.37, 774,455.24 and 306,522.35

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Solution

The fourth proportional to 561,220.37, 774,455.24 and 306,522.35 is: 422,985.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,220.37 : 774,455.24 = 306,522.35 : x
  2. Step 2: Convert to fraction form
    561,220.37/774,455.24 = 306,522.35/x
  3. Step 3: Cross multiply
    561,220.37x = 774,455.24 × 306,522.35
  4. Step 4: Simplify right side
    561,220.37x = 237,387,840,134.61
  5. Step 5: Solve for x
    x = 237,387,840,134.61/561,220.37
  6. Step 6: Final answer
    x = 422,985.07

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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.