Home / 836,940.81-1,155,104.40-510,443.24

Finding the Fourth Proportional to 836,940.81, 1,155,104.40 and 510,443.24

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Solution

The fourth proportional to 836,940.81, 1,155,104.40 and 510,443.24 is: 704,488.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,940.81 : 1,155,104.40 = 510,443.24 : x
  2. Step 2: Convert to fraction form
    836,940.81/1,155,104.40 = 510,443.24/x
  3. Step 3: Cross multiply
    836,940.81x = 1,155,104.40 × 510,443.24
  4. Step 4: Simplify right side
    836,940.81x = 589,615,226,698.73
  5. Step 5: Solve for x
    x = 589,615,226,698.73/836,940.81
  6. Step 6: Final answer
    x = 704,488.56

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1.5x scale

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.