Home / 806,320.47-1,112,259.45-503,989.59

Finding the Fourth Proportional to 806,320.47, 1,112,259.45 and 503,989.59

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Solution

The fourth proportional to 806,320.47, 1,112,259.45 and 503,989.59 is: 695,216.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,320.47 : 1,112,259.45 = 503,989.59 : x
  2. Step 2: Convert to fraction form
    806,320.47/1,112,259.45 = 503,989.59/x
  3. Step 3: Cross multiply
    806,320.47x = 1,112,259.45 × 503,989.59
  4. Step 4: Simplify right side
    806,320.47x = 560,567,187,405.12
  5. Step 5: Solve for x
    x = 560,567,187,405.12/806,320.47
  6. Step 6: Final answer
    x = 695,216.36

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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.