Home / 776,155.95-1,164,239.09-270,715.04

Finding the Fourth Proportional to 776,155.95, 1,164,239.09 and 270,715.04

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Solution

The fourth proportional to 776,155.95, 1,164,239.09 and 270,715.04 is: 406,074.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,155.95 : 1,164,239.09 = 270,715.04 : x
  2. Step 2: Convert to fraction form
    776,155.95/1,164,239.09 = 270,715.04/x
  3. Step 3: Cross multiply
    776,155.95x = 1,164,239.09 × 270,715.04
  4. Step 4: Simplify right side
    776,155.95x = 315,177,024,644.14
  5. Step 5: Solve for x
    x = 315,177,024,644.14/776,155.95
  6. Step 6: Final answer
    x = 406,074.35

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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.