Home / 849,519.52-1,172,315.36-462,318.48

Finding the Fourth Proportional to 849,519.52, 1,172,315.36 and 462,318.48

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Solution

The fourth proportional to 849,519.52, 1,172,315.36 and 462,318.48 is: 637,987.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,519.52 : 1,172,315.36 = 462,318.48 : x
  2. Step 2: Convert to fraction form
    849,519.52/1,172,315.36 = 462,318.48/x
  3. Step 3: Cross multiply
    849,519.52x = 1,172,315.36 × 462,318.48
  4. Step 4: Simplify right side
    849,519.52x = 541,983,055,315.85
  5. Step 5: Solve for x
    x = 541,983,055,315.85/849,519.52
  6. Step 6: Final answer
    x = 637,987.76

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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.