Home / 889,560.39-1,334,329.65-357,072.06

Finding the Fourth Proportional to 889,560.39, 1,334,329.65 and 357,072.06

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Solution

The fourth proportional to 889,560.39, 1,334,329.65 and 357,072.06 is: 535,603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,560.39 : 1,334,329.65 = 357,072.06 : x
  2. Step 2: Convert to fraction form
    889,560.39/1,334,329.65 = 357,072.06/x
  3. Step 3: Cross multiply
    889,560.39x = 1,334,329.65 × 357,072.06
  4. Step 4: Simplify right side
    889,560.39x = 476,451,836,844.58
  5. Step 5: Solve for x
    x = 476,451,836,844.58/889,560.39
  6. Step 6: Final answer
    x = 535,603.70

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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.