Home / 557,776-839,698.90-508,174.84

Finding the Fourth Proportional to 557,776, 839,698.90 and 508,174.84

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Solution

The fourth proportional to 557,776, 839,698.90 and 508,174.84 is: 765,027.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,776 : 839,698.90 = 508,174.84 : x
  2. Step 2: Convert to fraction form
    557,776/839,698.90 = 508,174.84/x
  3. Step 3: Cross multiply
    557,776x = 839,698.90 × 508,174.84
  4. Step 4: Simplify right side
    557,776x = 426,713,854,155.68
  5. Step 5: Solve for x
    x = 426,713,854,155.68/557,776
  6. Step 6: Final answer
    x = 765,027.28

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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.