Home / 890,022.58-1,228,237.01-482,124.40

Finding the Fourth Proportional to 890,022.58, 1,228,237.01 and 482,124.40

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Solution

The fourth proportional to 890,022.58, 1,228,237.01 and 482,124.40 is: 665,334.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,022.58 : 1,228,237.01 = 482,124.40 : x
  2. Step 2: Convert to fraction form
    890,022.58/1,228,237.01 = 482,124.40/x
  3. Step 3: Cross multiply
    890,022.58x = 1,228,237.01 × 482,124.40
  4. Step 4: Simplify right side
    890,022.58x = 592,163,029,638.76
  5. Step 5: Solve for x
    x = 592,163,029,638.76/890,022.58
  6. Step 6: Final answer
    x = 665,334.84

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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.