Home / 571,042.72-788,070.84-326,099.80

Finding the Fourth Proportional to 571,042.72, 788,070.84 and 326,099.80

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Solution

The fourth proportional to 571,042.72, 788,070.84 and 326,099.80 is: 450,035.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,042.72 : 788,070.84 = 326,099.80 : x
  2. Step 2: Convert to fraction form
    571,042.72/788,070.84 = 326,099.80/x
  3. Step 3: Cross multiply
    571,042.72x = 788,070.84 × 326,099.80
  4. Step 4: Simplify right side
    571,042.72x = 256,989,743,309.83
  5. Step 5: Solve for x
    x = 256,989,743,309.83/571,042.72
  6. Step 6: Final answer
    x = 450,035.93

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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.