Home / 832,385.21-1,248,100.90-255,858.35

Finding the Fourth Proportional to 832,385.21, 1,248,100.90 and 255,858.35

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Solution

The fourth proportional to 832,385.21, 1,248,100.90 and 255,858.35 is: 383,640.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,385.21 : 1,248,100.90 = 255,858.35 : x
  2. Step 2: Convert to fraction form
    832,385.21/1,248,100.90 = 255,858.35/x
  3. Step 3: Cross multiply
    832,385.21x = 1,248,100.90 × 255,858.35
  4. Step 4: Simplify right side
    832,385.21x = 319,337,029,387.72
  5. Step 5: Solve for x
    x = 319,337,029,387.72/832,385.21
  6. Step 6: Final answer
    x = 383,640.92

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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.