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Finding the Fourth Proportional to 651,970.05, 899,599.71 and 376,227.31

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Solution

The fourth proportional to 651,970.05, 899,599.71 and 376,227.31 is: 519,125.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,970.05 : 899,599.71 = 376,227.31 : x
  2. Step 2: Convert to fraction form
    651,970.05/899,599.71 = 376,227.31/x
  3. Step 3: Cross multiply
    651,970.05x = 899,599.71 × 376,227.31
  4. Step 4: Simplify right side
    651,970.05x = 338,453,980,136.28
  5. Step 5: Solve for x
    x = 338,453,980,136.28/651,970.05
  6. Step 6: Final answer
    x = 519,125.04

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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.