Home / 684,136.80-1,026,423.90-235,145.70

Finding the Fourth Proportional to 684,136.80, 1,026,423.90 and 235,145.70

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Solution

The fourth proportional to 684,136.80, 1,026,423.90 and 235,145.70 is: 352,793.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,136.80 : 1,026,423.90 = 235,145.70 : x
  2. Step 2: Convert to fraction form
    684,136.80/1,026,423.90 = 235,145.70/x
  3. Step 3: Cross multiply
    684,136.80x = 1,026,423.90 × 235,145.70
  4. Step 4: Simplify right side
    684,136.80x = 241,359,166,462.23
  5. Step 5: Solve for x
    x = 241,359,166,462.23/684,136.80
  6. Step 6: Final answer
    x = 352,793.72

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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.