Home / 862,590.46-1,293,899.11-255,440.19

Finding the Fourth Proportional to 862,590.46, 1,293,899.11 and 255,440.19

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Solution

The fourth proportional to 862,590.46, 1,293,899.11 and 255,440.19 is: 383,164.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,590.46 : 1,293,899.11 = 255,440.19 : x
  2. Step 2: Convert to fraction form
    862,590.46/1,293,899.11 = 255,440.19/x
  3. Step 3: Cross multiply
    862,590.46x = 1,293,899.11 × 255,440.19
  4. Step 4: Simplify right side
    862,590.46x = 330,513,834,499.23
  5. Step 5: Solve for x
    x = 330,513,834,499.23/862,590.46
  6. Step 6: Final answer
    x = 383,164.26

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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.