Home / 842,543.10-1,263,814.65-243,523.80

Finding the Fourth Proportional to 842,543.10, 1,263,814.65 and 243,523.80

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Solution

The fourth proportional to 842,543.10, 1,263,814.65 and 243,523.80 is: 365,285.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,543.10 : 1,263,814.65 = 243,523.80 : x
  2. Step 2: Convert to fraction form
    842,543.10/1,263,814.65 = 243,523.80/x
  3. Step 3: Cross multiply
    842,543.10x = 1,263,814.65 × 243,523.80
  4. Step 4: Simplify right side
    842,543.10x = 307,768,946,063.67
  5. Step 5: Solve for x
    x = 307,768,946,063.67/842,543.10
  6. Step 6: Final answer
    x = 365,285.70

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Similar ratio
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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.