Home / 891,989.96-1,230,946.77-484,091.70

Finding the Fourth Proportional to 891,989.96, 1,230,946.77 and 484,091.70

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Solution

The fourth proportional to 891,989.96, 1,230,946.77 and 484,091.70 is: 668,046.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,989.96 : 1,230,946.77 = 484,091.70 : x
  2. Step 2: Convert to fraction form
    891,989.96/1,230,946.77 = 484,091.70/x
  3. Step 3: Cross multiply
    891,989.96x = 1,230,946.77 × 484,091.70
  4. Step 4: Simplify right side
    891,989.96x = 595,891,114,498.81
  5. Step 5: Solve for x
    x = 595,891,114,498.81/891,989.96
  6. Step 6: Final answer
    x = 668,046.89

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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.