Home / 957,015.40-1,434,831.90-536,420.20

Finding the Fourth Proportional to 957,015.40, 1,434,831.90 and 536,420.20

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Solution

The fourth proportional to 957,015.40, 1,434,831.90 and 536,420.20 is: 804,242.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,015.40 : 1,434,831.90 = 536,420.20 : x
  2. Step 2: Convert to fraction form
    957,015.40/1,434,831.90 = 536,420.20/x
  3. Step 3: Cross multiply
    957,015.40x = 1,434,831.90 × 536,420.20
  4. Step 4: Simplify right side
    957,015.40x = 769,672,814,764.38
  5. Step 5: Solve for x
    x = 769,672,814,764.38/957,015.40
  6. Step 6: Final answer
    x = 804,242.87

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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.