Home / 561,215.04-774,467.04-306,559.68

Finding the Fourth Proportional to 561,215.04, 774,467.04 and 306,559.68

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Solution

The fourth proportional to 561,215.04, 774,467.04 and 306,559.68 is: 423,047.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,215.04 : 774,467.04 = 306,559.68 : x
  2. Step 2: Convert to fraction form
    561,215.04/774,467.04 = 306,559.68/x
  3. Step 3: Cross multiply
    561,215.04x = 774,467.04 × 306,559.68
  4. Step 4: Simplify right side
    561,215.04x = 237,420,367,952.95
  5. Step 5: Solve for x
    x = 237,420,367,952.95/561,215.04
  6. Step 6: Final answer
    x = 423,047.05

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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.