Home / 919,679.04-1,379,116.32-463,989.84

Finding the Fourth Proportional to 919,679.04, 1,379,116.32 and 463,989.84

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Solution

The fourth proportional to 919,679.04, 1,379,116.32 and 463,989.84 is: 695,781.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,679.04 : 1,379,116.32 = 463,989.84 : x
  2. Step 2: Convert to fraction form
    919,679.04/1,379,116.32 = 463,989.84/x
  3. Step 3: Cross multiply
    919,679.04x = 1,379,116.32 × 463,989.84
  4. Step 4: Simplify right side
    919,679.04x = 639,895,960,658.19
  5. Step 5: Solve for x
    x = 639,895,960,658.19/919,679.04
  6. Step 6: Final answer
    x = 695,781.82

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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.