Home / 869,710.39-1,304,688.63-270,732.07

Finding the Fourth Proportional to 869,710.39, 1,304,688.63 and 270,732.07

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Solution

The fourth proportional to 869,710.39, 1,304,688.63 and 270,732.07 is: 406,136.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,710.39 : 1,304,688.63 = 270,732.07 : x
  2. Step 2: Convert to fraction form
    869,710.39/1,304,688.63 = 270,732.07/x
  3. Step 3: Cross multiply
    869,710.39x = 1,304,688.63 × 270,732.07
  4. Step 4: Simplify right side
    869,710.39x = 353,221,053,505.36
  5. Step 5: Solve for x
    x = 353,221,053,505.36/869,710.39
  6. Step 6: Final answer
    x = 406,136.41

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1.5x scale

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.