Home / 913,019.60-1,369,529.40-313,927.40

Finding the Fourth Proportional to 913,019.60, 1,369,529.40 and 313,927.40

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Solution

The fourth proportional to 913,019.60, 1,369,529.40 and 313,927.40 is: 470,891.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,019.60 : 1,369,529.40 = 313,927.40 : x
  2. Step 2: Convert to fraction form
    913,019.60/1,369,529.40 = 313,927.40/x
  3. Step 3: Cross multiply
    913,019.60x = 1,369,529.40 × 313,927.40
  4. Step 4: Simplify right side
    913,019.60x = 429,932,803,765.56
  5. Step 5: Solve for x
    x = 429,932,803,765.56/913,019.60
  6. Step 6: Final answer
    x = 470,891.10

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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.