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Finding the Fourth Proportional to 679,580.61, 937,824.73 and 373,676.71

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Solution

The fourth proportional to 679,580.61, 937,824.73 and 373,676.71 is: 515,675.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,580.61 : 937,824.73 = 373,676.71 : x
  2. Step 2: Convert to fraction form
    679,580.61/937,824.73 = 373,676.71/x
  3. Step 3: Cross multiply
    679,580.61x = 937,824.73 × 373,676.71
  4. Step 4: Simplify right side
    679,580.61x = 350,443,262,825.51
  5. Step 5: Solve for x
    x = 350,443,262,825.51/679,580.61
  6. Step 6: Final answer
    x = 515,675.79

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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.