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Finding the Fourth Proportional to 617,812.31, 852,534.21 and 376,068.02

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Solution

The fourth proportional to 617,812.31, 852,534.21 and 376,068.02 is: 518,945.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,812.31 : 852,534.21 = 376,068.02 : x
  2. Step 2: Convert to fraction form
    617,812.31/852,534.21 = 376,068.02/x
  3. Step 3: Cross multiply
    617,812.31x = 852,534.21 × 376,068.02
  4. Step 4: Simplify right side
    617,812.31x = 320,610,849,484.55
  5. Step 5: Solve for x
    x = 320,610,849,484.55/617,812.31
  6. Step 6: Final answer
    x = 518,945.39

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1.5x scale

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.