Home / 684,080.64-1,025,187.84-417,934.08

Finding the Fourth Proportional to 684,080.64, 1,025,187.84 and 417,934.08

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Solution

The fourth proportional to 684,080.64, 1,025,187.84 and 417,934.08 is: 626,331.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,080.64 : 1,025,187.84 = 417,934.08 : x
  2. Step 2: Convert to fraction form
    684,080.64/1,025,187.84 = 417,934.08/x
  3. Step 3: Cross multiply
    684,080.64x = 1,025,187.84 × 417,934.08
  4. Step 4: Simplify right side
    684,080.64x = 428,460,936,737.59
  5. Step 5: Solve for x
    x = 428,460,936,737.59/684,080.64
  6. Step 6: Final answer
    x = 626,331.04

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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.