Home / 577,720.20-797,454.30-397,030.26

Finding the Fourth Proportional to 577,720.20, 797,454.30 and 397,030.26

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Solution

The fourth proportional to 577,720.20, 797,454.30 and 397,030.26 is: 548,039.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,720.20 : 797,454.30 = 397,030.26 : x
  2. Step 2: Convert to fraction form
    577,720.20/797,454.30 = 397,030.26/x
  3. Step 3: Cross multiply
    577,720.20x = 797,454.30 × 397,030.26
  4. Step 4: Simplify right side
    577,720.20x = 316,613,488,067.12
  5. Step 5: Solve for x
    x = 316,613,488,067.12/577,720.20
  6. Step 6: Final answer
    x = 548,039.50

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1.5x scale

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.