Home / 922,152.10-1,383,228.15-621,002.20

Finding the Fourth Proportional to 922,152.10, 1,383,228.15 and 621,002.20

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Solution

The fourth proportional to 922,152.10, 1,383,228.15 and 621,002.20 is: 931,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,152.10 : 1,383,228.15 = 621,002.20 : x
  2. Step 2: Convert to fraction form
    922,152.10/1,383,228.15 = 621,002.20/x
  3. Step 3: Cross multiply
    922,152.10x = 1,383,228.15 × 621,002.20
  4. Step 4: Simplify right side
    922,152.10x = 858,987,724,251.93
  5. Step 5: Solve for x
    x = 858,987,724,251.93/922,152.10
  6. Step 6: Final answer
    x = 931,503.30

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Similar ratio
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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.