Home / 745,548.30-1,118,322.45-184,582.80

Finding the Fourth Proportional to 745,548.30, 1,118,322.45 and 184,582.80

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Solution

The fourth proportional to 745,548.30, 1,118,322.45 and 184,582.80 is: 276,874.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,548.30 : 1,118,322.45 = 184,582.80 : x
  2. Step 2: Convert to fraction form
    745,548.30/1,118,322.45 = 184,582.80/x
  3. Step 3: Cross multiply
    745,548.30x = 1,118,322.45 × 184,582.80
  4. Step 4: Simplify right side
    745,548.30x = 206,423,089,123.86
  5. Step 5: Solve for x
    x = 206,423,089,123.86/745,548.30
  6. Step 6: Final answer
    x = 276,874.20

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Double scale
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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.