Home / 911,055.20-1,366,748.64-455,884.20

Finding the Fourth Proportional to 911,055.20, 1,366,748.64 and 455,884.20

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Solution

The fourth proportional to 911,055.20, 1,366,748.64 and 455,884.20 is: 683,909.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,055.20 : 1,366,748.64 = 455,884.20 : x
  2. Step 2: Convert to fraction form
    911,055.20/1,366,748.64 = 455,884.20/x
  3. Step 3: Cross multiply
    911,055.20x = 1,366,748.64 × 455,884.20
  4. Step 4: Simplify right side
    911,055.20x = 623,079,110,347.49
  5. Step 5: Solve for x
    x = 623,079,110,347.49/911,055.20
  6. Step 6: Final answer
    x = 683,909.29

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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.