Home / 563,021.16-776,969.61-304,900.14

Finding the Fourth Proportional to 563,021.16, 776,969.61 and 304,900.14

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Solution

The fourth proportional to 563,021.16, 776,969.61 and 304,900.14 is: 420,762.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,021.16 : 776,969.61 = 304,900.14 : x
  2. Step 2: Convert to fraction form
    563,021.16/776,969.61 = 304,900.14/x
  3. Step 3: Cross multiply
    563,021.16x = 776,969.61 × 304,900.14
  4. Step 4: Simplify right side
    563,021.16x = 236,898,142,864.75
  5. Step 5: Solve for x
    x = 236,898,142,864.75/563,021.16
  6. Step 6: Final answer
    x = 420,762.41

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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.