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Finding the Fourth Proportional to 679,601.07, 937,825.47 and 373,675.31

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Solution

The fourth proportional to 679,601.07, 937,825.47 and 373,675.31 is: 515,658.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,601.07 : 937,825.47 = 373,675.31 : x
  2. Step 2: Convert to fraction form
    679,601.07/937,825.47 = 373,675.31/x
  3. Step 3: Cross multiply
    679,601.07x = 937,825.47 × 373,675.31
  4. Step 4: Simplify right side
    679,601.07x = 350,442,218,539.02
  5. Step 5: Solve for x
    x = 350,442,218,539.02/679,601.07
  6. Step 6: Final answer
    x = 515,658.72

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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.