Home / 705,250.95-1,057,874.10-255,971.22

Finding the Fourth Proportional to 705,250.95, 1,057,874.10 and 255,971.22

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Solution

The fourth proportional to 705,250.95, 1,057,874.10 and 255,971.22 is: 383,955.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,250.95 : 1,057,874.10 = 255,971.22 : x
  2. Step 2: Convert to fraction form
    705,250.95/1,057,874.10 = 255,971.22/x
  3. Step 3: Cross multiply
    705,250.95x = 1,057,874.10 × 255,971.22
  4. Step 4: Simplify right side
    705,250.95x = 270,785,323,983.40
  5. Step 5: Solve for x
    x = 270,785,323,983.40/705,250.95
  6. Step 6: Final answer
    x = 383,955.99

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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.