Home / 895,383.90-1,343,128.29-255,638.40

Finding the Fourth Proportional to 895,383.90, 1,343,128.29 and 255,638.40

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Solution

The fourth proportional to 895,383.90, 1,343,128.29 and 255,638.40 is: 383,472.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,383.90 : 1,343,128.29 = 255,638.40 : x
  2. Step 2: Convert to fraction form
    895,383.90/1,343,128.29 = 255,638.40/x
  3. Step 3: Cross multiply
    895,383.90x = 1,343,128.29 × 255,638.40
  4. Step 4: Simplify right side
    895,383.90x = 343,355,167,050.34
  5. Step 5: Solve for x
    x = 343,355,167,050.34/895,383.90
  6. Step 6: Final answer
    x = 383,472.57

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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.