Home / 743,887.83-1,115,151.35-323,011.83

Finding the Fourth Proportional to 743,887.83, 1,115,151.35 and 323,011.83

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Solution

The fourth proportional to 743,887.83, 1,115,151.35 and 323,011.83 is: 484,222.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,887.83 : 1,115,151.35 = 323,011.83 : x
  2. Step 2: Convert to fraction form
    743,887.83/1,115,151.35 = 323,011.83/x
  3. Step 3: Cross multiply
    743,887.83x = 1,115,151.35 × 323,011.83
  4. Step 4: Simplify right side
    743,887.83x = 360,207,076,675.41
  5. Step 5: Solve for x
    x = 360,207,076,675.41/743,887.83
  6. Step 6: Final answer
    x = 484,222.30

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1.5x scale

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.