Home / 541,374.32-812,057-423,145.04

Finding the Fourth Proportional to 541,374.32, 812,057 and 423,145.04

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Solution

The fourth proportional to 541,374.32, 812,057 and 423,145.04 is: 634,714.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,374.32 : 812,057 = 423,145.04 : x
  2. Step 2: Convert to fraction form
    541,374.32/812,057 = 423,145.04/x
  3. Step 3: Cross multiply
    541,374.32x = 812,057 × 423,145.04
  4. Step 4: Simplify right side
    541,374.32x = 343,617,891,747.28
  5. Step 5: Solve for x
    x = 343,617,891,747.28/541,374.32
  6. Step 6: Final answer
    x = 634,714.06

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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.