Home / 684,433.53-1,026,794.81-257,960.30

Finding the Fourth Proportional to 684,433.53, 1,026,794.81 and 257,960.30

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Solution

The fourth proportional to 684,433.53, 1,026,794.81 and 257,960.30 is: 386,994.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,433.53 : 1,026,794.81 = 257,960.30 : x
  2. Step 2: Convert to fraction form
    684,433.53/1,026,794.81 = 257,960.30/x
  3. Step 3: Cross multiply
    684,433.53x = 1,026,794.81 × 257,960.30
  4. Step 4: Simplify right side
    684,433.53x = 264,872,292,736.97
  5. Step 5: Solve for x
    x = 264,872,292,736.97/684,433.53
  6. Step 6: Final answer
    x = 386,994.91

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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.