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Finding the Fourth Proportional to 570,068.46, 786,351.71 and 376,477.95

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Solution

The fourth proportional to 570,068.46, 786,351.71 and 376,477.95 is: 519,313.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,068.46 : 786,351.71 = 376,477.95 : x
  2. Step 2: Convert to fraction form
    570,068.46/786,351.71 = 376,477.95/x
  3. Step 3: Cross multiply
    570,068.46x = 786,351.71 × 376,477.95
  4. Step 4: Simplify right side
    570,068.46x = 296,044,079,759.80
  5. Step 5: Solve for x
    x = 296,044,079,759.80/570,068.46
  6. Step 6: Final answer
    x = 519,313.21

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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.