Home / 788,582.12-1,088,242.20-449,050.34

Finding the Fourth Proportional to 788,582.12, 1,088,242.20 and 449,050.34

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Solution

The fourth proportional to 788,582.12, 1,088,242.20 and 449,050.34 is: 619,688.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,582.12 : 1,088,242.20 = 449,050.34 : x
  2. Step 2: Convert to fraction form
    788,582.12/1,088,242.20 = 449,050.34/x
  3. Step 3: Cross multiply
    788,582.12x = 1,088,242.20 × 449,050.34
  4. Step 4: Simplify right side
    788,582.12x = 488,675,529,912.35
  5. Step 5: Solve for x
    x = 488,675,529,912.35/788,582.12
  6. Step 6: Final answer
    x = 619,688.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.