Home / 663,946.47-995,917.58-284,621.04

Finding the Fourth Proportional to 663,946.47, 995,917.58 and 284,621.04

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Solution

The fourth proportional to 663,946.47, 995,917.58 and 284,621.04 is: 426,930.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,946.47 : 995,917.58 = 284,621.04 : x
  2. Step 2: Convert to fraction form
    663,946.47/995,917.58 = 284,621.04/x
  3. Step 3: Cross multiply
    663,946.47x = 995,917.58 × 284,621.04
  4. Step 4: Simplify right side
    663,946.47x = 283,459,097,018.11
  5. Step 5: Solve for x
    x = 283,459,097,018.11/663,946.47
  6. Step 6: Final answer
    x = 426,930.65

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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.