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Finding the Fourth Proportional to 677,298.96, 934,714.68 and 375,492.96

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Solution

The fourth proportional to 677,298.96, 934,714.68 and 375,492.96 is: 518,203.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,298.96 : 934,714.68 = 375,492.96 : x
  2. Step 2: Convert to fraction form
    677,298.96/934,714.68 = 375,492.96/x
  3. Step 3: Cross multiply
    677,298.96x = 934,714.68 × 375,492.96
  4. Step 4: Simplify right side
    677,298.96x = 350,978,781,948.65
  5. Step 5: Solve for x
    x = 350,978,781,948.65/677,298.96
  6. Step 6: Final answer
    x = 518,203.63

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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.