Home / 684,577.04-1,025,863.08-385,640.24

Finding the Fourth Proportional to 684,577.04, 1,025,863.08 and 385,640.24

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Solution

The fourth proportional to 684,577.04, 1,025,863.08 and 385,640.24 is: 577,895.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,577.04 : 1,025,863.08 = 385,640.24 : x
  2. Step 2: Convert to fraction form
    684,577.04/1,025,863.08 = 385,640.24/x
  3. Step 3: Cross multiply
    684,577.04x = 1,025,863.08 × 385,640.24
  4. Step 4: Simplify right side
    684,577.04x = 395,614,084,378.34
  5. Step 5: Solve for x
    x = 395,614,084,378.34/684,577.04
  6. Step 6: Final answer
    x = 577,895.64

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Double scale
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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.