Home / 755,720.77-1,042,831.63-445,574.10

Finding the Fourth Proportional to 755,720.77, 1,042,831.63 and 445,574.10

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Solution

The fourth proportional to 755,720.77, 1,042,831.63 and 445,574.10 is: 614,855.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,720.77 : 1,042,831.63 = 445,574.10 : x
  2. Step 2: Convert to fraction form
    755,720.77/1,042,831.63 = 445,574.10/x
  3. Step 3: Cross multiply
    755,720.77x = 1,042,831.63 × 445,574.10
  4. Step 4: Simplify right side
    755,720.77x = 464,658,764,988.78
  5. Step 5: Solve for x
    x = 464,658,764,988.78/755,720.77
  6. Step 6: Final answer
    x = 614,855.09

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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.