Home / 561,041.02-774,239.44-306,392.20

Finding the Fourth Proportional to 561,041.02, 774,239.44 and 306,392.20

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Solution

The fourth proportional to 561,041.02, 774,239.44 and 306,392.20 is: 422,822.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,041.02 : 774,239.44 = 306,392.20 : x
  2. Step 2: Convert to fraction form
    561,041.02/774,239.44 = 306,392.20/x
  3. Step 3: Cross multiply
    561,041.02x = 774,239.44 × 306,392.20
  4. Step 4: Simplify right side
    561,041.02x = 237,220,925,348.37
  5. Step 5: Solve for x
    x = 237,220,925,348.37/561,041.02
  6. Step 6: Final answer
    x = 422,822.78

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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.