Home / 671,002.12-926,008.52-384,577.62

Finding the Fourth Proportional to 671,002.12, 926,008.52 and 384,577.62

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Solution

The fourth proportional to 671,002.12, 926,008.52 and 384,577.62 is: 530,731.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,002.12 : 926,008.52 = 384,577.62 : x
  2. Step 2: Convert to fraction form
    671,002.12/926,008.52 = 384,577.62/x
  3. Step 3: Cross multiply
    671,002.12x = 926,008.52 × 384,577.62
  4. Step 4: Simplify right side
    671,002.12x = 356,122,152,721.32
  5. Step 5: Solve for x
    x = 356,122,152,721.32/671,002.12
  6. Step 6: Final answer
    x = 530,731.78

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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.