Home / 919,669.04-1,379,101.38-463,979.90

Finding the Fourth Proportional to 919,669.04, 1,379,101.38 and 463,979.90

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Solution

The fourth proportional to 919,669.04, 1,379,101.38 and 463,979.90 is: 695,766.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,669.04 : 1,379,101.38 = 463,979.90 : x
  2. Step 2: Convert to fraction form
    919,669.04/1,379,101.38 = 463,979.90/x
  3. Step 3: Cross multiply
    919,669.04x = 1,379,101.38 × 463,979.90
  4. Step 4: Simplify right side
    919,669.04x = 639,875,320,382.26
  5. Step 5: Solve for x
    x = 639,875,320,382.26/919,669.04
  6. Step 6: Final answer
    x = 695,766.95

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1.5x scale

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.