Home / 804,768.30-1,207,152.45-243,802.80

Finding the Fourth Proportional to 804,768.30, 1,207,152.45 and 243,802.80

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Solution

The fourth proportional to 804,768.30, 1,207,152.45 and 243,802.80 is: 365,704.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,768.30 : 1,207,152.45 = 243,802.80 : x
  2. Step 2: Convert to fraction form
    804,768.30/1,207,152.45 = 243,802.80/x
  3. Step 3: Cross multiply
    804,768.30x = 1,207,152.45 × 243,802.80
  4. Step 4: Simplify right side
    804,768.30x = 294,307,147,336.86
  5. Step 5: Solve for x
    x = 294,307,147,336.86/804,768.30
  6. Step 6: Final answer
    x = 365,704.20

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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.