Home / 913,401.60-1,370,102.40-352,436.10

Finding the Fourth Proportional to 913,401.60, 1,370,102.40 and 352,436.10

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Solution

The fourth proportional to 913,401.60, 1,370,102.40 and 352,436.10 is: 528,654.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,401.60 : 1,370,102.40 = 352,436.10 : x
  2. Step 2: Convert to fraction form
    913,401.60/1,370,102.40 = 352,436.10/x
  3. Step 3: Cross multiply
    913,401.60x = 1,370,102.40 × 352,436.10
  4. Step 4: Simplify right side
    913,401.60x = 482,873,546,456.64
  5. Step 5: Solve for x
    x = 482,873,546,456.64/913,401.60
  6. Step 6: Final answer
    x = 528,654.15

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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.