Home / 656,840.02-905,960.52-502,140.94

Finding the Fourth Proportional to 656,840.02, 905,960.52 and 502,140.94

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Solution

The fourth proportional to 656,840.02, 905,960.52 and 502,140.94 is: 692,588.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,840.02 : 905,960.52 = 502,140.94 : x
  2. Step 2: Convert to fraction form
    656,840.02/905,960.52 = 502,140.94/x
  3. Step 3: Cross multiply
    656,840.02x = 905,960.52 × 502,140.94
  4. Step 4: Simplify right side
    656,840.02x = 454,919,867,115.69
  5. Step 5: Solve for x
    x = 454,919,867,115.69/656,840.02
  6. Step 6: Final answer
    x = 692,588.53

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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.