Home / 736,820.40-1,105,230.60-263,521.20

Finding the Fourth Proportional to 736,820.40, 1,105,230.60 and 263,521.20

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Solution

The fourth proportional to 736,820.40, 1,105,230.60 and 263,521.20 is: 395,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,820.40 : 1,105,230.60 = 263,521.20 : x
  2. Step 2: Convert to fraction form
    736,820.40/1,105,230.60 = 263,521.20/x
  3. Step 3: Cross multiply
    736,820.40x = 1,105,230.60 × 263,521.20
  4. Step 4: Simplify right side
    736,820.40x = 291,251,693,988.72
  5. Step 5: Solve for x
    x = 291,251,693,988.72/736,820.40
  6. Step 6: Final answer
    x = 395,281.80

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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.