Home / 520,124.22-779,964.80-204,359.63

Finding the Fourth Proportional to 520,124.22, 779,964.80 and 204,359.63

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Solution

The fourth proportional to 520,124.22, 779,964.80 and 204,359.63 is: 306,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,124.22 : 779,964.80 = 204,359.63 : x
  2. Step 2: Convert to fraction form
    520,124.22/779,964.80 = 204,359.63/x
  3. Step 3: Cross multiply
    520,124.22x = 779,964.80 × 204,359.63
  4. Step 4: Simplify right side
    520,124.22x = 159,393,313,019.40
  5. Step 5: Solve for x
    x = 159,393,313,019.40/520,124.22
  6. Step 6: Final answer
    x = 306,452.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.