Home / 875,806.43-1,208,642.70-508,255.11

Finding the Fourth Proportional to 875,806.43, 1,208,642.70 and 508,255.11

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Solution

The fourth proportional to 875,806.43, 1,208,642.70 and 508,255.11 is: 701,409.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,806.43 : 1,208,642.70 = 508,255.11 : x
  2. Step 2: Convert to fraction form
    875,806.43/1,208,642.70 = 508,255.11/x
  3. Step 3: Cross multiply
    875,806.43x = 1,208,642.70 × 508,255.11
  4. Step 4: Simplify right side
    875,806.43x = 614,298,828,439.20
  5. Step 5: Solve for x
    x = 614,298,828,439.20/875,806.43
  6. Step 6: Final answer
    x = 701,409.36

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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.