Home / 913,712.60-1,370,568.90-248,864.60

Finding the Fourth Proportional to 913,712.60, 1,370,568.90 and 248,864.60

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Solution

The fourth proportional to 913,712.60, 1,370,568.90 and 248,864.60 is: 373,296.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,712.60 : 1,370,568.90 = 248,864.60 : x
  2. Step 2: Convert to fraction form
    913,712.60/1,370,568.90 = 248,864.60/x
  3. Step 3: Cross multiply
    913,712.60x = 1,370,568.90 × 248,864.60
  4. Step 4: Simplify right side
    913,712.60x = 341,086,081,070.94
  5. Step 5: Solve for x
    x = 341,086,081,070.94/913,712.60
  6. Step 6: Final answer
    x = 373,296.90

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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.