Home / 913,404.60-1,370,106.90-248,556.60

Finding the Fourth Proportional to 913,404.60, 1,370,106.90 and 248,556.60

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Solution

The fourth proportional to 913,404.60, 1,370,106.90 and 248,556.60 is: 372,834.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,404.60 : 1,370,106.90 = 248,556.60 : x
  2. Step 2: Convert to fraction form
    913,404.60/1,370,106.90 = 248,556.60/x
  3. Step 3: Cross multiply
    913,404.60x = 1,370,106.90 × 248,556.60
  4. Step 4: Simplify right side
    913,404.60x = 340,549,112,700.54
  5. Step 5: Solve for x
    x = 340,549,112,700.54/913,404.60
  6. Step 6: Final answer
    x = 372,834.90

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Double scale
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Similar ratio
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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.