Home / 756,788.56-1,132,864.56-490,018.30

Finding the Fourth Proportional to 756,788.56, 1,132,864.56 and 490,018.30

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Solution

The fourth proportional to 756,788.56, 1,132,864.56 and 490,018.30 is: 733,526.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,788.56 : 1,132,864.56 = 490,018.30 : x
  2. Step 2: Convert to fraction form
    756,788.56/1,132,864.56 = 490,018.30/x
  3. Step 3: Cross multiply
    756,788.56x = 1,132,864.56 × 490,018.30
  4. Step 4: Simplify right side
    756,788.56x = 555,124,365,821.45
  5. Step 5: Solve for x
    x = 555,124,365,821.45/756,788.56
  6. Step 6: Final answer
    x = 733,526.37

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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.