Home / 461,075.50-636,400.83-259,988.14

Finding the Fourth Proportional to 461,075.50, 636,400.83 and 259,988.14

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Solution

The fourth proportional to 461,075.50, 636,400.83 and 259,988.14 is: 358,849.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,075.50 : 636,400.83 = 259,988.14 : x
  2. Step 2: Convert to fraction form
    461,075.50/636,400.83 = 259,988.14/x
  3. Step 3: Cross multiply
    461,075.50x = 636,400.83 × 259,988.14
  4. Step 4: Simplify right side
    461,075.50x = 165,456,668,086.16
  5. Step 5: Solve for x
    x = 165,456,668,086.16/461,075.50
  6. Step 6: Final answer
    x = 358,849.40

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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.