Home / 806,250.30-1,112,671.35-462,143.46

Finding the Fourth Proportional to 806,250.30, 1,112,671.35 and 462,143.46

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Solution

The fourth proportional to 806,250.30, 1,112,671.35 and 462,143.46 is: 637,784.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,250.30 : 1,112,671.35 = 462,143.46 : x
  2. Step 2: Convert to fraction form
    806,250.30/1,112,671.35 = 462,143.46/x
  3. Step 3: Cross multiply
    806,250.30x = 1,112,671.35 × 462,143.46
  4. Step 4: Simplify right side
    806,250.30x = 514,213,787,531.87
  5. Step 5: Solve for x
    x = 514,213,787,531.87/806,250.30
  6. Step 6: Final answer
    x = 637,784.31

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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.