Home / 561,498.15-774,867.81-306,849.36

Finding the Fourth Proportional to 561,498.15, 774,867.81 and 306,849.36

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Solution

The fourth proportional to 561,498.15, 774,867.81 and 306,849.36 is: 423,452.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,498.15 : 774,867.81 = 306,849.36 : x
  2. Step 2: Convert to fraction form
    561,498.15/774,867.81 = 306,849.36/x
  3. Step 3: Cross multiply
    561,498.15x = 774,867.81 × 306,849.36
  4. Step 4: Simplify right side
    561,498.15x = 237,767,691,583.10
  5. Step 5: Solve for x
    x = 237,767,691,583.10/561,498.15
  6. Step 6: Final answer
    x = 423,452.32

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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.