Home / 913,705.60-1,370,612.20-352,743.04

Finding the Fourth Proportional to 913,705.60, 1,370,612.20 and 352,743.04

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Solution

The fourth proportional to 913,705.60, 1,370,612.20 and 352,743.04 is: 529,135.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,705.60 : 1,370,612.20 = 352,743.04 : x
  2. Step 2: Convert to fraction form
    913,705.60/1,370,612.20 = 352,743.04/x
  3. Step 3: Cross multiply
    913,705.60x = 1,370,612.20 × 352,743.04
  4. Step 4: Simplify right side
    913,705.60x = 483,473,914,089.09
  5. Step 5: Solve for x
    x = 483,473,914,089.09/913,705.60
  6. Step 6: Final answer
    x = 529,135.33

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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.