Home / 679,629.08-937,908.54-373,689.64

Finding the Fourth Proportional to 679,629.08, 937,908.54 and 373,689.64

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Solution

The fourth proportional to 679,629.08, 937,908.54 and 373,689.64 is: 515,702.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,629.08 : 937,908.54 = 373,689.64 : x
  2. Step 2: Convert to fraction form
    679,629.08/937,908.54 = 373,689.64/x
  3. Step 3: Cross multiply
    679,629.08x = 937,908.54 × 373,689.64
  4. Step 4: Simplify right side
    679,629.08x = 350,486,704,665.53
  5. Step 5: Solve for x
    x = 350,486,704,665.53/679,629.08
  6. Step 6: Final answer
    x = 515,702.93

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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.