Home / 756,446.20-1,133,357.10-490,069.60

Finding the Fourth Proportional to 756,446.20, 1,133,357.10 and 490,069.60

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Solution

The fourth proportional to 756,446.20, 1,133,357.10 and 490,069.60 is: 734,254.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,446.20 : 1,133,357.10 = 490,069.60 : x
  2. Step 2: Convert to fraction form
    756,446.20/1,133,357.10 = 490,069.60/x
  3. Step 3: Cross multiply
    756,446.20x = 1,133,357.10 × 490,069.60
  4. Step 4: Simplify right side
    756,446.20x = 555,423,860,654.16
  5. Step 5: Solve for x
    x = 555,423,860,654.16/756,446.20
  6. Step 6: Final answer
    x = 734,254.28

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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.