Home / 641,798.10-962,719.48-304,665.08

Finding the Fourth Proportional to 641,798.10, 962,719.48 and 304,665.08

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Solution

The fourth proportional to 641,798.10, 962,719.48 and 304,665.08 is: 457,008.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,798.10 : 962,719.48 = 304,665.08 : x
  2. Step 2: Convert to fraction form
    641,798.10/962,719.48 = 304,665.08/x
  3. Step 3: Cross multiply
    641,798.10x = 962,719.48 × 304,665.08
  4. Step 4: Simplify right side
    641,798.10x = 293,307,007,391.76
  5. Step 5: Solve for x
    x = 293,307,007,391.76/641,798.10
  6. Step 6: Final answer
    x = 457,008.22

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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.