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Finding the Fourth Proportional to 679,160.79, 937,196.55 and 373,230.59

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Solution

The fourth proportional to 679,160.79, 937,196.55 and 373,230.59 is: 515,033.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,160.79 : 937,196.55 = 373,230.59 : x
  2. Step 2: Convert to fraction form
    679,160.79/937,196.55 = 373,230.59/x
  3. Step 3: Cross multiply
    679,160.79x = 937,196.55 × 373,230.59
  4. Step 4: Simplify right side
    679,160.79x = 349,790,416,616.48
  5. Step 5: Solve for x
    x = 349,790,416,616.48/679,160.79
  6. Step 6: Final answer
    x = 515,033.29

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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.