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Finding the Fourth Proportional to 536,060.68, 739,711.38 and 309,701.32

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Solution

The fourth proportional to 536,060.68, 739,711.38 and 309,701.32 is: 427,357.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,060.68 : 739,711.38 = 309,701.32 : x
  2. Step 2: Convert to fraction form
    536,060.68/739,711.38 = 309,701.32/x
  3. Step 3: Cross multiply
    536,060.68x = 739,711.38 × 309,701.32
  4. Step 4: Simplify right side
    536,060.68x = 229,089,590,805.02
  5. Step 5: Solve for x
    x = 229,089,590,805.02/536,060.68
  6. Step 6: Final answer
    x = 427,357.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.