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Finding the Fourth Proportional to 564,373.08, 778,835.04 and 309,724.44

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Solution

The fourth proportional to 564,373.08, 778,835.04 and 309,724.44 is: 427,419.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,373.08 : 778,835.04 = 309,724.44 : x
  2. Step 2: Convert to fraction form
    564,373.08/778,835.04 = 309,724.44/x
  3. Step 3: Cross multiply
    564,373.08x = 778,835.04 × 309,724.44
  4. Step 4: Simplify right side
    564,373.08x = 241,224,246,616.38
  5. Step 5: Solve for x
    x = 241,224,246,616.38/564,373.08
  6. Step 6: Final answer
    x = 427,419.83

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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.