Home / 762,253.66-1,051,911.57-418,092.40

Finding the Fourth Proportional to 762,253.66, 1,051,911.57 and 418,092.40

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Solution

The fourth proportional to 762,253.66, 1,051,911.57 and 418,092.40 is: 576,968.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,253.66 : 1,051,911.57 = 418,092.40 : x
  2. Step 2: Convert to fraction form
    762,253.66/1,051,911.57 = 418,092.40/x
  3. Step 3: Cross multiply
    762,253.66x = 1,051,911.57 × 418,092.40
  4. Step 4: Simplify right side
    762,253.66x = 439,796,232,889.07
  5. Step 5: Solve for x
    x = 439,796,232,889.07/762,253.66
  6. Step 6: Final answer
    x = 576,968.35

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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.