Home / 889,477.80-1,227,479.88-481,579.74

Finding the Fourth Proportional to 889,477.80, 1,227,479.88 and 481,579.74

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Solution

The fourth proportional to 889,477.80, 1,227,479.88 and 481,579.74 is: 664,580.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,477.80 : 1,227,479.88 = 481,579.74 : x
  2. Step 2: Convert to fraction form
    889,477.80/1,227,479.88 = 481,579.74/x
  3. Step 3: Cross multiply
    889,477.80x = 1,227,479.88 × 481,579.74
  4. Step 4: Simplify right side
    889,477.80x = 591,129,441,465.63
  5. Step 5: Solve for x
    x = 591,129,441,465.63/889,477.80
  6. Step 6: Final answer
    x = 664,580.32

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Double scale
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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.