Home / 608,914.60-913,631.10-384,447.40

Finding the Fourth Proportional to 608,914.60, 913,631.10 and 384,447.40

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Solution

The fourth proportional to 608,914.60, 913,631.10 and 384,447.40 is: 576,834.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,914.60 : 913,631.10 = 384,447.40 : x
  2. Step 2: Convert to fraction form
    608,914.60/913,631.10 = 384,447.40/x
  3. Step 3: Cross multiply
    608,914.60x = 913,631.10 × 384,447.40
  4. Step 4: Simplify right side
    608,914.60x = 351,243,100,954.14
  5. Step 5: Solve for x
    x = 351,243,100,954.14/608,914.60
  6. Step 6: Final answer
    x = 576,834.75

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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.