Home / 891,415.46-1,336,980.32-284,124.86

Finding the Fourth Proportional to 891,415.46, 1,336,980.32 and 284,124.86

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Solution

The fourth proportional to 891,415.46, 1,336,980.32 and 284,124.86 is: 426,141.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,415.46 : 1,336,980.32 = 284,124.86 : x
  2. Step 2: Convert to fraction form
    891,415.46/1,336,980.32 = 284,124.86/x
  3. Step 3: Cross multiply
    891,415.46x = 1,336,980.32 × 284,124.86
  4. Step 4: Simplify right side
    891,415.46x = 379,869,346,242.76
  5. Step 5: Solve for x
    x = 379,869,346,242.76/891,415.46
  6. Step 6: Final answer
    x = 426,141.75

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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.