Home / 585,076.02-807,399.27-330,421.74

Finding the Fourth Proportional to 585,076.02, 807,399.27 and 330,421.74

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Solution

The fourth proportional to 585,076.02, 807,399.27 and 330,421.74 is: 455,978.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,076.02 : 807,399.27 = 330,421.74 : x
  2. Step 2: Convert to fraction form
    585,076.02/807,399.27 = 330,421.74/x
  3. Step 3: Cross multiply
    585,076.02x = 807,399.27 × 330,421.74
  4. Step 4: Simplify right side
    585,076.02x = 266,782,271,668.13
  5. Step 5: Solve for x
    x = 266,782,271,668.13/585,076.02
  6. Step 6: Final answer
    x = 455,978.82

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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.