Home / 641,440.08-962,140.14-304,723.08

Finding the Fourth Proportional to 641,440.08, 962,140.14 and 304,723.08

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Solution

The fourth proportional to 641,440.08, 962,140.14 and 304,723.08 is: 457,075.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,440.08 : 962,140.14 = 304,723.08 : x
  2. Step 2: Convert to fraction form
    641,440.08/962,140.14 = 304,723.08/x
  3. Step 3: Cross multiply
    641,440.08x = 962,140.14 × 304,723.08
  4. Step 4: Simplify right side
    641,440.08x = 293,186,306,852.43
  5. Step 5: Solve for x
    x = 293,186,306,852.43/641,440.08
  6. Step 6: Final answer
    x = 457,075.13

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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.