Home / 776,139.55-1,164,403.08-270,707.79

Finding the Fourth Proportional to 776,139.55, 1,164,403.08 and 270,707.79

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Solution

The fourth proportional to 776,139.55, 1,164,403.08 and 270,707.79 is: 406,129.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,139.55 : 1,164,403.08 = 270,707.79 : x
  2. Step 2: Convert to fraction form
    776,139.55/1,164,403.08 = 270,707.79/x
  3. Step 3: Cross multiply
    776,139.55x = 1,164,403.08 × 270,707.79
  4. Step 4: Simplify right side
    776,139.55x = 315,212,984,455.99
  5. Step 5: Solve for x
    x = 315,212,984,455.99/776,139.55
  6. Step 6: Final answer
    x = 406,129.26

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Double scale
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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.