Home / 761,156.96-1,141,867.40-255,767.28

Finding the Fourth Proportional to 761,156.96, 1,141,867.40 and 255,767.28

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Solution

The fourth proportional to 761,156.96, 1,141,867.40 and 255,767.28 is: 383,695.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,156.96 : 1,141,867.40 = 255,767.28 : x
  2. Step 2: Convert to fraction form
    761,156.96/1,141,867.40 = 255,767.28/x
  3. Step 3: Cross multiply
    761,156.96x = 1,141,867.40 × 255,767.28
  4. Step 4: Simplify right side
    761,156.96x = 292,052,319,018.67
  5. Step 5: Solve for x
    x = 292,052,319,018.67/761,156.96
  6. Step 6: Final answer
    x = 383,695.26

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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.