Home / 939,732.76-1,296,840.90-510,016.60

Finding the Fourth Proportional to 939,732.76, 1,296,840.90 and 510,016.60

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Solution

The fourth proportional to 939,732.76, 1,296,840.90 and 510,016.60 is: 703,828.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,732.76 : 1,296,840.90 = 510,016.60 : x
  2. Step 2: Convert to fraction form
    939,732.76/1,296,840.90 = 510,016.60/x
  3. Step 3: Cross multiply
    939,732.76x = 1,296,840.90 × 510,016.60
  4. Step 4: Simplify right side
    939,732.76x = 661,410,386,558.94
  5. Step 5: Solve for x
    x = 661,410,386,558.94/939,732.76
  6. Step 6: Final answer
    x = 703,828.17

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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.