Home / 899,763.21-1,349,647.38-260,119.02

Finding the Fourth Proportional to 899,763.21, 1,349,647.38 and 260,119.02

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Solution

The fourth proportional to 899,763.21, 1,349,647.38 and 260,119.02 is: 390,179.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,763.21 : 1,349,647.38 = 260,119.02 : x
  2. Step 2: Convert to fraction form
    899,763.21/1,349,647.38 = 260,119.02/x
  3. Step 3: Cross multiply
    899,763.21x = 1,349,647.38 × 260,119.02
  4. Step 4: Simplify right side
    899,763.21x = 351,068,953,831.17
  5. Step 5: Solve for x
    x = 351,068,953,831.17/899,763.21
  6. Step 6: Final answer
    x = 390,179.27

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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.