Home / 922,246.10-1,383,563.55-389,492.90

Finding the Fourth Proportional to 922,246.10, 1,383,563.55 and 389,492.90

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Solution

The fourth proportional to 922,246.10, 1,383,563.55 and 389,492.90 is: 584,321.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,246.10 : 1,383,563.55 = 389,492.90 : x
  2. Step 2: Convert to fraction form
    922,246.10/1,383,563.55 = 389,492.90/x
  3. Step 3: Cross multiply
    922,246.10x = 1,383,563.55 × 389,492.90
  4. Step 4: Simplify right side
    922,246.10x = 538,888,179,423.80
  5. Step 5: Solve for x
    x = 538,888,179,423.80/922,246.10
  6. Step 6: Final answer
    x = 584,321.45

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Double scale
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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.