Home / 761,247.19-1,141,155.52-255,453.45

Finding the Fourth Proportional to 761,247.19, 1,141,155.52 and 255,453.45

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Solution

The fourth proportional to 761,247.19, 1,141,155.52 and 255,453.45 is: 382,940.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,247.19 : 1,141,155.52 = 255,453.45 : x
  2. Step 2: Convert to fraction form
    761,247.19/1,141,155.52 = 255,453.45/x
  3. Step 3: Cross multiply
    761,247.19x = 1,141,155.52 × 255,453.45
  4. Step 4: Simplify right side
    761,247.19x = 291,512,114,570.54
  5. Step 5: Solve for x
    x = 291,512,114,570.54/761,247.19
  6. Step 6: Final answer
    x = 382,940.15

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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.