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Finding the Fourth Proportional to 899,851.95, 1,349,778.87 and 360,351.90

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Solution

The fourth proportional to 899,851.95, 1,349,778.87 and 360,351.90 is: 540,528.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,851.95 : 1,349,778.87 = 360,351.90 : x
  2. Step 2: Convert to fraction form
    899,851.95/1,349,778.87 = 360,351.90/x
  3. Step 3: Cross multiply
    899,851.95x = 1,349,778.87 × 360,351.90
  4. Step 4: Simplify right side
    899,851.95x = 486,395,380,384.35
  5. Step 5: Solve for x
    x = 486,395,380,384.35/899,851.95
  6. Step 6: Final answer
    x = 540,528.23

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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.