Home / 557,775-839,697.39-508,173.84

Finding the Fourth Proportional to 557,775, 839,697.39 and 508,173.84

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Solution

The fourth proportional to 557,775, 839,697.39 and 508,173.84 is: 765,025.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,775 : 839,697.39 = 508,173.84 : x
  2. Step 2: Convert to fraction form
    557,775/839,697.39 = 508,173.84/x
  3. Step 3: Cross multiply
    557,775x = 839,697.39 × 508,173.84
  4. Step 4: Simplify right side
    557,775x = 426,712,247,114.28
  5. Step 5: Solve for x
    x = 426,712,247,114.28/557,775
  6. Step 6: Final answer
    x = 765,025.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.