Home / 684,423.60-1,026,538.20-235,165.20

Finding the Fourth Proportional to 684,423.60, 1,026,538.20 and 235,165.20

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Solution

The fourth proportional to 684,423.60, 1,026,538.20 and 235,165.20 is: 352,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,423.60 : 1,026,538.20 = 235,165.20 : x
  2. Step 2: Convert to fraction form
    684,423.60/1,026,538.20 = 235,165.20/x
  3. Step 3: Cross multiply
    684,423.60x = 1,026,538.20 × 235,165.20
  4. Step 4: Simplify right side
    684,423.60x = 241,406,061,110.64
  5. Step 5: Solve for x
    x = 241,406,061,110.64/684,423.60
  6. Step 6: Final answer
    x = 352,714.40

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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.