Home / 835,378.47-1,148,390.33-718,666.03

Finding the Fourth Proportional to 835,378.47, 1,148,390.33 and 718,666.03

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Solution

The fourth proportional to 835,378.47, 1,148,390.33 and 718,666.03 is: 987,946.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,378.47 : 1,148,390.33 = 718,666.03 : x
  2. Step 2: Convert to fraction form
    835,378.47/1,148,390.33 = 718,666.03/x
  3. Step 3: Cross multiply
    835,378.47x = 1,148,390.33 × 718,666.03
  4. Step 4: Simplify right side
    835,378.47x = 825,309,116,995.64
  5. Step 5: Solve for x
    x = 825,309,116,995.64/835,378.47
  6. Step 6: Final answer
    x = 987,946.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.