Home / 684,830.29-1,027,385.54-235,492.80

Finding the Fourth Proportional to 684,830.29, 1,027,385.54 and 235,492.80

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Solution

The fourth proportional to 684,830.29, 1,027,385.54 and 235,492.80 is: 353,287.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,830.29 : 1,027,385.54 = 235,492.80 : x
  2. Step 2: Convert to fraction form
    684,830.29/1,027,385.54 = 235,492.80/x
  3. Step 3: Cross multiply
    684,830.29x = 1,027,385.54 × 235,492.80
  4. Step 4: Simplify right side
    684,830.29x = 241,941,899,788.42
  5. Step 5: Solve for x
    x = 241,941,899,788.42/684,830.29
  6. Step 6: Final answer
    x = 353,287.38

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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.