Home / 776,355.38-1,164,532.35-349,392.14

Finding the Fourth Proportional to 776,355.38, 1,164,532.35 and 349,392.14

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Solution

The fourth proportional to 776,355.38, 1,164,532.35 and 349,392.14 is: 524,087.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,355.38 : 1,164,532.35 = 349,392.14 : x
  2. Step 2: Convert to fraction form
    776,355.38/1,164,532.35 = 349,392.14/x
  3. Step 3: Cross multiply
    776,355.38x = 1,164,532.35 × 349,392.14
  4. Step 4: Simplify right side
    776,355.38x = 406,878,449,865.73
  5. Step 5: Solve for x
    x = 406,878,449,865.73/776,355.38
  6. Step 6: Final answer
    x = 524,087.89

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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.