Home / 563,013.23-776,958.66-304,892.20

Finding the Fourth Proportional to 563,013.23, 776,958.66 and 304,892.20

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Solution

The fourth proportional to 563,013.23, 776,958.66 and 304,892.20 is: 420,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,013.23 : 776,958.66 = 304,892.20 : x
  2. Step 2: Convert to fraction form
    563,013.23/776,958.66 = 304,892.20/x
  3. Step 3: Cross multiply
    563,013.23x = 776,958.66 × 304,892.20
  4. Step 4: Simplify right side
    563,013.23x = 236,888,635,270.14
  5. Step 5: Solve for x
    x = 236,888,635,270.14/563,013.23
  6. Step 6: Final answer
    x = 420,751.45

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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.