Home / 527,476.02-727,915.94-285,764.64

Finding the Fourth Proportional to 527,476.02, 727,915.94 and 285,764.64

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Solution

The fourth proportional to 527,476.02, 727,915.94 and 285,764.64 is: 394,354.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,476.02 : 727,915.94 = 285,764.64 : x
  2. Step 2: Convert to fraction form
    527,476.02/727,915.94 = 285,764.64/x
  3. Step 3: Cross multiply
    527,476.02x = 727,915.94 × 285,764.64
  4. Step 4: Simplify right side
    527,476.02x = 208,012,636,544.36
  5. Step 5: Solve for x
    x = 208,012,636,544.36/527,476.02
  6. Step 6: Final answer
    x = 394,354.68

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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.