Home / 571,080.83-788,092.47-312,916.76

Finding the Fourth Proportional to 571,080.83, 788,092.47 and 312,916.76

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Solution

The fourth proportional to 571,080.83, 788,092.47 and 312,916.76 is: 431,825.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,080.83 : 788,092.47 = 312,916.76 : x
  2. Step 2: Convert to fraction form
    571,080.83/788,092.47 = 312,916.76/x
  3. Step 3: Cross multiply
    571,080.83x = 788,092.47 × 312,916.76
  4. Step 4: Simplify right side
    571,080.83x = 246,607,338,352.34
  5. Step 5: Solve for x
    x = 246,607,338,352.34/571,080.83
  6. Step 6: Final answer
    x = 431,825.63

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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.