Home / 684,584.60-1,026,002.10-328,832.60

Finding the Fourth Proportional to 684,584.60, 1,026,002.10 and 328,832.60

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Solution

The fourth proportional to 684,584.60, 1,026,002.10 and 328,832.60 is: 492,828.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,584.60 : 1,026,002.10 = 328,832.60 : x
  2. Step 2: Convert to fraction form
    684,584.60/1,026,002.10 = 328,832.60/x
  3. Step 3: Cross multiply
    684,584.60x = 1,026,002.10 × 328,832.60
  4. Step 4: Simplify right side
    684,584.60x = 337,382,938,148.46
  5. Step 5: Solve for x
    x = 337,382,938,148.46/684,584.60
  6. Step 6: Final answer
    x = 492,828.70

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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.