Home / 756,788.48-1,134,416.16-490,717.76

Finding the Fourth Proportional to 756,788.48, 1,134,416.16 and 490,717.76

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Solution

The fourth proportional to 756,788.48, 1,134,416.16 and 490,717.76 is: 735,579.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,788.48 : 1,134,416.16 = 490,717.76 : x
  2. Step 2: Convert to fraction form
    756,788.48/1,134,416.16 = 490,717.76/x
  3. Step 3: Cross multiply
    756,788.48x = 1,134,416.16 × 490,717.76
  4. Step 4: Simplify right side
    756,788.48x = 556,678,156,943.00
  5. Step 5: Solve for x
    x = 556,678,156,943.00/756,788.48
  6. Step 6: Final answer
    x = 735,579.59

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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.