Home / 892,931.64-1,232,267.89-485,033.36

Finding the Fourth Proportional to 892,931.64, 1,232,267.89 and 485,033.36

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Solution

The fourth proportional to 892,931.64, 1,232,267.89 and 485,033.36 is: 669,358.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,931.64 : 1,232,267.89 = 485,033.36 : x
  2. Step 2: Convert to fraction form
    892,931.64/1,232,267.89 = 485,033.36/x
  3. Step 3: Cross multiply
    892,931.64x = 1,232,267.89 × 485,033.36
  4. Step 4: Simplify right side
    892,931.64x = 597,691,035,106.81
  5. Step 5: Solve for x
    x = 597,691,035,106.81/892,931.64
  6. Step 6: Final answer
    x = 669,358.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.