Home / 571,080.24-788,081.40-312,955.20

Finding the Fourth Proportional to 571,080.24, 788,081.40 and 312,955.20

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Solution

The fourth proportional to 571,080.24, 788,081.40 and 312,955.20 is: 431,873.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,080.24 : 788,081.40 = 312,955.20 : x
  2. Step 2: Convert to fraction form
    571,080.24/788,081.40 = 312,955.20/x
  3. Step 3: Cross multiply
    571,080.24x = 788,081.40 × 312,955.20
  4. Step 4: Simplify right side
    571,080.24x = 246,634,172,153.28
  5. Step 5: Solve for x
    x = 246,634,172,153.28/571,080.24
  6. Step 6: Final answer
    x = 431,873.06

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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.