Home / 571,467.13-788,594.34-326,403.77

Finding the Fourth Proportional to 571,467.13, 788,594.34 and 326,403.77

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Solution

The fourth proportional to 571,467.13, 788,594.34 and 326,403.77 is: 450,419.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,467.13 : 788,594.34 = 326,403.77 : x
  2. Step 2: Convert to fraction form
    571,467.13/788,594.34 = 326,403.77/x
  3. Step 3: Cross multiply
    571,467.13x = 788,594.34 × 326,403.77
  4. Step 4: Simplify right side
    571,467.13x = 257,400,161,021.68
  5. Step 5: Solve for x
    x = 257,400,161,021.68/571,467.13
  6. Step 6: Final answer
    x = 450,419.89

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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.