Home / 990,236.34-1,366,558.70-560,507.24

Finding the Fourth Proportional to 990,236.34, 1,366,558.70 and 560,507.24

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Solution

The fourth proportional to 990,236.34, 1,366,558.70 and 560,507.24 is: 773,518.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,236.34 : 1,366,558.70 = 560,507.24 : x
  2. Step 2: Convert to fraction form
    990,236.34/1,366,558.70 = 560,507.24/x
  3. Step 3: Cross multiply
    990,236.34x = 1,366,558.70 × 560,507.24
  4. Step 4: Simplify right side
    990,236.34x = 765,966,045,848.85
  5. Step 5: Solve for x
    x = 765,966,045,848.85/990,236.34
  6. Step 6: Final answer
    x = 773,518.42

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Double scale
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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.