Home / 990,228.20-1,366,475.55-560,597.45

Finding the Fourth Proportional to 990,228.20, 1,366,475.55 and 560,597.45

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Solution

The fourth proportional to 990,228.20, 1,366,475.55 and 560,597.45 is: 773,602.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,228.20 : 1,366,475.55 = 560,597.45 : x
  2. Step 2: Convert to fraction form
    990,228.20/1,366,475.55 = 560,597.45/x
  3. Step 3: Cross multiply
    990,228.20x = 1,366,475.55 × 560,597.45
  4. Step 4: Simplify right side
    990,228.20x = 766,042,708,817.35
  5. Step 5: Solve for x
    x = 766,042,708,817.35/990,228.20
  6. Step 6: Final answer
    x = 773,602.19

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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.