Home / 557,784-839,710.98-508,182.84

Finding the Fourth Proportional to 557,784, 839,710.98 and 508,182.84

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Solution

The fourth proportional to 557,784, 839,710.98 and 508,182.84 is: 765,039.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,784 : 839,710.98 = 508,182.84 : x
  2. Step 2: Convert to fraction form
    557,784/839,710.98 = 508,182.84/x
  3. Step 3: Cross multiply
    557,784x = 839,710.98 × 508,182.84
  4. Step 4: Simplify right side
    557,784x = 426,726,710,595.58
  5. Step 5: Solve for x
    x = 426,726,710,595.58/557,784
  6. Step 6: Final answer
    x = 765,039.35

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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.