Home / 783,255.75-1,174,995.75-297,116.64

Finding the Fourth Proportional to 783,255.75, 1,174,995.75 and 297,116.64

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Solution

The fourth proportional to 783,255.75, 1,174,995.75 and 297,116.64 is: 445,717.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,255.75 : 1,174,995.75 = 297,116.64 : x
  2. Step 2: Convert to fraction form
    783,255.75/1,174,995.75 = 297,116.64/x
  3. Step 3: Cross multiply
    783,255.75x = 1,174,995.75 × 297,116.64
  4. Step 4: Simplify right side
    783,255.75x = 349,110,789,254.28
  5. Step 5: Solve for x
    x = 349,110,789,254.28/783,255.75
  6. Step 6: Final answer
    x = 445,717.49

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Double scale
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Similar ratio
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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.