Home / 776,147.07-1,164,220.91-349,184.28

Finding the Fourth Proportional to 776,147.07, 1,164,220.91 and 349,184.28

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Solution

The fourth proportional to 776,147.07, 1,164,220.91 and 349,184.28 is: 523,776.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,147.07 : 1,164,220.91 = 349,184.28 : x
  2. Step 2: Convert to fraction form
    776,147.07/1,164,220.91 = 349,184.28/x
  3. Step 3: Cross multiply
    776,147.07x = 1,164,220.91 × 349,184.28
  4. Step 4: Simplify right side
    776,147.07x = 406,527,638,473.37
  5. Step 5: Solve for x
    x = 406,527,638,473.37/776,147.07
  6. Step 6: Final answer
    x = 523,776.55

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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.