Home / 895,215.78-1,342,868.29-255,614.40

Finding the Fourth Proportional to 895,215.78, 1,342,868.29 and 255,614.40

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Solution

The fourth proportional to 895,215.78, 1,342,868.29 and 255,614.40 is: 383,434.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,215.78 : 1,342,868.29 = 255,614.40 : x
  2. Step 2: Convert to fraction form
    895,215.78/1,342,868.29 = 255,614.40/x
  3. Step 3: Cross multiply
    895,215.78x = 1,342,868.29 × 255,614.40
  4. Step 4: Simplify right side
    895,215.78x = 343,256,471,588.34
  5. Step 5: Solve for x
    x = 343,256,471,588.34/895,215.78
  6. Step 6: Final answer
    x = 383,434.34

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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.