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Finding the Fourth Proportional to 608,818.04, 913,079.42 and 253,638.30

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Solution

The fourth proportional to 608,818.04, 913,079.42 and 253,638.30 is: 380,395.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,818.04 : 913,079.42 = 253,638.30 : x
  2. Step 2: Convert to fraction form
    608,818.04/913,079.42 = 253,638.30/x
  3. Step 3: Cross multiply
    608,818.04x = 913,079.42 × 253,638.30
  4. Step 4: Simplify right side
    608,818.04x = 231,591,911,853.79
  5. Step 5: Solve for x
    x = 231,591,911,853.79/608,818.04
  6. Step 6: Final answer
    x = 380,395.94

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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.