Home / 890,282.77-1,228,591.46-482,389.04

Finding the Fourth Proportional to 890,282.77, 1,228,591.46 and 482,389.04

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Solution

The fourth proportional to 890,282.77, 1,228,591.46 and 482,389.04 is: 665,697.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,282.77 : 1,228,591.46 = 482,389.04 : x
  2. Step 2: Convert to fraction form
    890,282.77/1,228,591.46 = 482,389.04/x
  3. Step 3: Cross multiply
    890,282.77x = 1,228,591.46 × 482,389.04
  4. Step 4: Simplify right side
    890,282.77x = 592,659,054,941.60
  5. Step 5: Solve for x
    x = 592,659,054,941.60/890,282.77
  6. Step 6: Final answer
    x = 665,697.55

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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.