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Finding the Fourth Proportional to 384,774.58, 577,145.46 and 375,764.14

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Solution

The fourth proportional to 384,774.58, 577,145.46 and 375,764.14 is: 563,630.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,774.58 : 577,145.46 = 375,764.14 : x
  2. Step 2: Convert to fraction form
    384,774.58/577,145.46 = 375,764.14/x
  3. Step 3: Cross multiply
    384,774.58x = 577,145.46 × 375,764.14
  4. Step 4: Simplify right side
    384,774.58x = 216,870,567,431.80
  5. Step 5: Solve for x
    x = 216,870,567,431.80/384,774.58
  6. Step 6: Final answer
    x = 563,630.18

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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.