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Finding the Fourth Proportional to 508,259.02, 701,402.85 and 278,816.74

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Solution

The fourth proportional to 508,259.02, 701,402.85 and 278,816.74 is: 384,770.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,259.02 : 701,402.85 = 278,816.74 : x
  2. Step 2: Convert to fraction form
    508,259.02/701,402.85 = 278,816.74/x
  3. Step 3: Cross multiply
    508,259.02x = 701,402.85 × 278,816.74
  4. Step 4: Simplify right side
    508,259.02x = 195,562,860,614.25
  5. Step 5: Solve for x
    x = 195,562,860,614.25/508,259.02
  6. Step 6: Final answer
    x = 384,770.08

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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.