Home / 750,800.36-1,036,195.52-424,127.14

Finding the Fourth Proportional to 750,800.36, 1,036,195.52 and 424,127.14

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Solution

The fourth proportional to 750,800.36, 1,036,195.52 and 424,127.14 is: 585,346.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,800.36 : 1,036,195.52 = 424,127.14 : x
  2. Step 2: Convert to fraction form
    750,800.36/1,036,195.52 = 424,127.14/x
  3. Step 3: Cross multiply
    750,800.36x = 1,036,195.52 × 424,127.14
  4. Step 4: Simplify right side
    750,800.36x = 439,478,642,378.41
  5. Step 5: Solve for x
    x = 439,478,642,378.41/750,800.36
  6. Step 6: Final answer
    x = 585,346.87

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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.