Home / 761,459.37-1,141,385.31-255,540.66

Finding the Fourth Proportional to 761,459.37, 1,141,385.31 and 255,540.66

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Solution

The fourth proportional to 761,459.37, 1,141,385.31 and 255,540.66 is: 383,041.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,459.37 : 1,141,385.31 = 255,540.66 : x
  2. Step 2: Convert to fraction form
    761,459.37/1,141,385.31 = 255,540.66/x
  3. Step 3: Cross multiply
    761,459.37x = 1,141,385.31 × 255,540.66
  4. Step 4: Simplify right side
    761,459.37x = 291,670,355,431.71
  5. Step 5: Solve for x
    x = 291,670,355,431.71/761,459.37
  6. Step 6: Final answer
    x = 383,041.26

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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.