Home / 968,713.49-1,337,009.73-641,449.29

Finding the Fourth Proportional to 968,713.49, 1,337,009.73 and 641,449.29

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Solution

The fourth proportional to 968,713.49, 1,337,009.73 and 641,449.29 is: 885,322.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,713.49 : 1,337,009.73 = 641,449.29 : x
  2. Step 2: Convert to fraction form
    968,713.49/1,337,009.73 = 641,449.29/x
  3. Step 3: Cross multiply
    968,713.49x = 1,337,009.73 × 641,449.29
  4. Step 4: Simplify right side
    968,713.49x = 857,623,942,031.59
  5. Step 5: Solve for x
    x = 857,623,942,031.59/968,713.49
  6. Step 6: Final answer
    x = 885,322.60

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1.5x scale

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.