Home / 885,664.86-1,222,220.31-503,718.30

Finding the Fourth Proportional to 885,664.86, 1,222,220.31 and 503,718.30

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Solution

The fourth proportional to 885,664.86, 1,222,220.31 and 503,718.30 is: 695,132.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,664.86 : 1,222,220.31 = 503,718.30 : x
  2. Step 2: Convert to fraction form
    885,664.86/1,222,220.31 = 503,718.30/x
  3. Step 3: Cross multiply
    885,664.86x = 1,222,220.31 × 503,718.30
  4. Step 4: Simplify right side
    885,664.86x = 615,654,736,778.67
  5. Step 5: Solve for x
    x = 615,654,736,778.67/885,664.86
  6. Step 6: Final answer
    x = 695,132.85

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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.