Home / 772,418.13-1,065,878.24-432,820.77

Finding the Fourth Proportional to 772,418.13, 1,065,878.24 and 432,820.77

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Solution

The fourth proportional to 772,418.13, 1,065,878.24 and 432,820.77 is: 597,259.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,418.13 : 1,065,878.24 = 432,820.77 : x
  2. Step 2: Convert to fraction form
    772,418.13/1,065,878.24 = 432,820.77/x
  3. Step 3: Cross multiply
    772,418.13x = 1,065,878.24 × 432,820.77
  4. Step 4: Simplify right side
    772,418.13x = 461,334,238,398.94
  5. Step 5: Solve for x
    x = 461,334,238,398.94/772,418.13
  6. Step 6: Final answer
    x = 597,259.72

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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.