Home / 889,965.45-1,335,010.45-440,565.66

Finding the Fourth Proportional to 889,965.45, 1,335,010.45 and 440,565.66

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Solution

The fourth proportional to 889,965.45, 1,335,010.45 and 440,565.66 is: 660,879.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,965.45 : 1,335,010.45 = 440,565.66 : x
  2. Step 2: Convert to fraction form
    889,965.45/1,335,010.45 = 440,565.66/x
  3. Step 3: Cross multiply
    889,965.45x = 1,335,010.45 × 440,565.66
  4. Step 4: Simplify right side
    889,965.45x = 588,159,760,011.15
  5. Step 5: Solve for x
    x = 588,159,760,011.15/889,965.45
  6. Step 6: Final answer
    x = 660,879.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.