Home / 561,570.27-774,966.99-306,921.46

Finding the Fourth Proportional to 561,570.27, 774,966.99 and 306,921.46

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Solution

The fourth proportional to 561,570.27, 774,966.99 and 306,921.46 is: 423,551.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,570.27 : 774,966.99 = 306,921.46 : x
  2. Step 2: Convert to fraction form
    561,570.27/774,966.99 = 306,921.46/x
  3. Step 3: Cross multiply
    561,570.27x = 774,966.99 × 306,921.46
  4. Step 4: Simplify right side
    561,570.27x = 237,854,000,022.61
  5. Step 5: Solve for x
    x = 237,854,000,022.61/561,570.27
  6. Step 6: Final answer
    x = 423,551.62

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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.