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Finding the Fourth Proportional to 568,014.19, 783,832.24 and 309,875.74

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Solution

The fourth proportional to 568,014.19, 783,832.24 and 309,875.74 is: 427,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,014.19 : 783,832.24 = 309,875.74 : x
  2. Step 2: Convert to fraction form
    568,014.19/783,832.24 = 309,875.74/x
  3. Step 3: Cross multiply
    568,014.19x = 783,832.24 × 309,875.74
  4. Step 4: Simplify right side
    568,014.19x = 242,890,595,405.86
  5. Step 5: Solve for x
    x = 242,890,595,405.86/568,014.19
  6. Step 6: Final answer
    x = 427,613.60

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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.