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Finding the Fourth Proportional to 679,600.07, 937,824.10 and 373,674.31

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Solution

The fourth proportional to 679,600.07, 937,824.10 and 373,674.31 is: 515,657.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,600.07 : 937,824.10 = 373,674.31 : x
  2. Step 2: Convert to fraction form
    679,600.07/937,824.10 = 373,674.31/x
  3. Step 3: Cross multiply
    679,600.07x = 937,824.10 × 373,674.31
  4. Step 4: Simplify right side
    679,600.07x = 350,440,771,600.50
  5. Step 5: Solve for x
    x = 350,440,771,600.50/679,600.07
  6. Step 6: Final answer
    x = 515,657.35

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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.