Home / 919,671.04-1,379,104.36-463,981.88

Finding the Fourth Proportional to 919,671.04, 1,379,104.36 and 463,981.88

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Solution

The fourth proportional to 919,671.04, 1,379,104.36 and 463,981.88 is: 695,769.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,671.04 : 1,379,104.36 = 463,981.88 : x
  2. Step 2: Convert to fraction form
    919,671.04/1,379,104.36 = 463,981.88/x
  3. Step 3: Cross multiply
    919,671.04x = 1,379,104.36 × 463,981.88
  4. Step 4: Simplify right side
    919,671.04x = 639,879,433,669.00
  5. Step 5: Solve for x
    x = 639,879,433,669.00/919,671.04
  6. Step 6: Final answer
    x = 695,769.91

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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.