Home / 821,979.63-1,232,969.65-537,909.39

Finding the Fourth Proportional to 821,979.63, 1,232,969.65 and 537,909.39

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Solution

The fourth proportional to 821,979.63, 1,232,969.65 and 537,909.39 is: 806,864.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,979.63 : 1,232,969.65 = 537,909.39 : x
  2. Step 2: Convert to fraction form
    821,979.63/1,232,969.65 = 537,909.39/x
  3. Step 3: Cross multiply
    821,979.63x = 1,232,969.65 × 537,909.39
  4. Step 4: Simplify right side
    821,979.63x = 663,225,950,975.24
  5. Step 5: Solve for x
    x = 663,225,950,975.24/821,979.63
  6. Step 6: Final answer
    x = 806,864.22

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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.