Home / 890,334.32-1,228,723.70-503,185.50

Finding the Fourth Proportional to 890,334.32, 1,228,723.70 and 503,185.50

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Solution

The fourth proportional to 890,334.32, 1,228,723.70 and 503,185.50 is: 694,431.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,334.32 : 1,228,723.70 = 503,185.50 : x
  2. Step 2: Convert to fraction form
    890,334.32/1,228,723.70 = 503,185.50/x
  3. Step 3: Cross multiply
    890,334.32x = 1,228,723.70 × 503,185.50
  4. Step 4: Simplify right side
    890,334.32x = 618,275,946,830.42
  5. Step 5: Solve for x
    x = 618,275,946,830.42/890,334.32
  6. Step 6: Final answer
    x = 694,431.22

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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.