Home / 768,226.36-1,152,526.44-255,890.20

Finding the Fourth Proportional to 768,226.36, 1,152,526.44 and 255,890.20

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Solution

The fourth proportional to 768,226.36, 1,152,526.44 and 255,890.20 is: 383,897.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,226.36 : 1,152,526.44 = 255,890.20 : x
  2. Step 2: Convert to fraction form
    768,226.36/1,152,526.44 = 255,890.20/x
  3. Step 3: Cross multiply
    768,226.36x = 1,152,526.44 × 255,890.20
  4. Step 4: Simplify right side
    768,226.36x = 294,920,221,236.89
  5. Step 5: Solve for x
    x = 294,920,221,236.89/768,226.36
  6. Step 6: Final answer
    x = 383,897.55

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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.