Home / 929,627.15-1,394,446.88-255,779.65

Finding the Fourth Proportional to 929,627.15, 1,394,446.88 and 255,779.65

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Solution

The fourth proportional to 929,627.15, 1,394,446.88 and 255,779.65 is: 383,671.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,627.15 : 1,394,446.88 = 255,779.65 : x
  2. Step 2: Convert to fraction form
    929,627.15/1,394,446.88 = 255,779.65/x
  3. Step 3: Cross multiply
    929,627.15x = 1,394,446.88 × 255,779.65
  4. Step 4: Simplify right side
    929,627.15x = 356,671,128,009.98
  5. Step 5: Solve for x
    x = 356,671,128,009.98/929,627.15
  6. Step 6: Final answer
    x = 383,671.16

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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.