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Finding the Fourth Proportional to 612,873.47, 845,792.70 and 510,727.94

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Solution

The fourth proportional to 612,873.47, 845,792.70 and 510,727.94 is: 704,827.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,873.47 : 845,792.70 = 510,727.94 : x
  2. Step 2: Convert to fraction form
    612,873.47/845,792.70 = 510,727.94/x
  3. Step 3: Cross multiply
    612,873.47x = 845,792.70 × 510,727.94
  4. Step 4: Simplify right side
    612,873.47x = 431,969,963,338.04
  5. Step 5: Solve for x
    x = 431,969,963,338.04/612,873.47
  6. Step 6: Final answer
    x = 704,827.32

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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.