Home / 859,549.44-1,288,010.88-360,641.28

Finding the Fourth Proportional to 859,549.44, 1,288,010.88 and 360,641.28

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Solution

The fourth proportional to 859,549.44, 1,288,010.88 and 360,641.28 is: 540,410.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,549.44 : 1,288,010.88 = 360,641.28 : x
  2. Step 2: Convert to fraction form
    859,549.44/1,288,010.88 = 360,641.28/x
  3. Step 3: Cross multiply
    859,549.44x = 1,288,010.88 × 360,641.28
  4. Step 4: Simplify right side
    859,549.44x = 464,509,892,417.13
  5. Step 5: Solve for x
    x = 464,509,892,417.13/859,549.44
  6. Step 6: Final answer
    x = 540,410.91

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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.