Home / 889,789.80-1,334,746.95-357,310.82

Finding the Fourth Proportional to 889,789.80, 1,334,746.95 and 357,310.82

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Solution

The fourth proportional to 889,789.80, 1,334,746.95 and 357,310.82 is: 535,991.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,789.80 : 1,334,746.95 = 357,310.82 : x
  2. Step 2: Convert to fraction form
    889,789.80/1,334,746.95 = 357,310.82/x
  3. Step 3: Cross multiply
    889,789.80x = 1,334,746.95 × 357,310.82
  4. Step 4: Simplify right side
    889,789.80x = 476,919,518,736.71
  5. Step 5: Solve for x
    x = 476,919,518,736.71/889,789.80
  6. Step 6: Final answer
    x = 535,991.22

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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.