Home / 823,523.46-1,235,384.85-290,935.50

Finding the Fourth Proportional to 823,523.46, 1,235,384.85 and 290,935.50

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Solution

The fourth proportional to 823,523.46, 1,235,384.85 and 290,935.50 is: 436,438.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,523.46 : 1,235,384.85 = 290,935.50 : x
  2. Step 2: Convert to fraction form
    823,523.46/1,235,384.85 = 290,935.50/x
  3. Step 3: Cross multiply
    823,523.46x = 1,235,384.85 × 290,935.50
  4. Step 4: Simplify right side
    823,523.46x = 359,417,309,027.18
  5. Step 5: Solve for x
    x = 359,417,309,027.18/823,523.46
  6. Step 6: Final answer
    x = 436,438.46

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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.