Home / 915,714.66-1,373,384.88-346,899.66

Finding the Fourth Proportional to 915,714.66, 1,373,384.88 and 346,899.66

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Solution

The fourth proportional to 915,714.66, 1,373,384.88 and 346,899.66 is: 520,278.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,714.66 : 1,373,384.88 = 346,899.66 : x
  2. Step 2: Convert to fraction form
    915,714.66/1,373,384.88 = 346,899.66/x
  3. Step 3: Cross multiply
    915,714.66x = 1,373,384.88 × 346,899.66
  4. Step 4: Simplify right side
    915,714.66x = 476,426,747,921.14
  5. Step 5: Solve for x
    x = 476,426,747,921.14/915,714.66
  6. Step 6: Final answer
    x = 520,278.61

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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.