Home / 761,452.40-1,141,374.78-255,533.66

Finding the Fourth Proportional to 761,452.40, 1,141,374.78 and 255,533.66

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Solution

The fourth proportional to 761,452.40, 1,141,374.78 and 255,533.66 is: 383,030.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,452.40 : 1,141,374.78 = 255,533.66 : x
  2. Step 2: Convert to fraction form
    761,452.40/1,141,374.78 = 255,533.66/x
  3. Step 3: Cross multiply
    761,452.40x = 1,141,374.78 × 255,533.66
  4. Step 4: Simplify right side
    761,452.40x = 291,659,674,965.10
  5. Step 5: Solve for x
    x = 291,659,674,965.10/761,452.40
  6. Step 6: Final answer
    x = 383,030.74

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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.