Home / 821,978.51-1,232,967.96-537,908.27

Finding the Fourth Proportional to 821,978.51, 1,232,967.96 and 537,908.27

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Solution

The fourth proportional to 821,978.51, 1,232,967.96 and 537,908.27 is: 806,862.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,978.51 : 1,232,967.96 = 537,908.27 : x
  2. Step 2: Convert to fraction form
    821,978.51/1,232,967.96 = 537,908.27/x
  3. Step 3: Cross multiply
    821,978.51x = 1,232,967.96 × 537,908.27
  4. Step 4: Simplify right side
    821,978.51x = 663,223,656,164.19
  5. Step 5: Solve for x
    x = 663,223,656,164.19/821,978.51
  6. Step 6: Final answer
    x = 806,862.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.