Home / 787,515.70-1,181,446.35-254,946.10

Finding the Fourth Proportional to 787,515.70, 1,181,446.35 and 254,946.10

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Solution

The fourth proportional to 787,515.70, 1,181,446.35 and 254,946.10 is: 382,475.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,515.70 : 1,181,446.35 = 254,946.10 : x
  2. Step 2: Convert to fraction form
    787,515.70/1,181,446.35 = 254,946.10/x
  3. Step 3: Cross multiply
    787,515.70x = 1,181,446.35 × 254,946.10
  4. Step 4: Simplify right side
    787,515.70x = 301,205,139,291.74
  5. Step 5: Solve for x
    x = 301,205,139,291.74/787,515.70
  6. Step 6: Final answer
    x = 382,475.09

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Double scale
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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.