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Finding the Fourth Proportional to 608,909.60, 913,623.60 and 384,442.40

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Solution

The fourth proportional to 608,909.60, 913,623.60 and 384,442.40 is: 576,827.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,909.60 : 913,623.60 = 384,442.40 : x
  2. Step 2: Convert to fraction form
    608,909.60/913,623.60 = 384,442.40/x
  3. Step 3: Cross multiply
    608,909.60x = 913,623.60 × 384,442.40
  4. Step 4: Simplify right side
    608,909.60x = 351,235,649,480.64
  5. Step 5: Solve for x
    x = 351,235,649,480.64/608,909.60
  6. Step 6: Final answer
    x = 576,827.25

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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.