Home / 756,817.28-1,044,388.32-417,279.68

Finding the Fourth Proportional to 756,817.28, 1,044,388.32 and 417,279.68

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Solution

The fourth proportional to 756,817.28, 1,044,388.32 and 417,279.68 is: 575,835.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,817.28 : 1,044,388.32 = 417,279.68 : x
  2. Step 2: Convert to fraction form
    756,817.28/1,044,388.32 = 417,279.68/x
  3. Step 3: Cross multiply
    756,817.28x = 1,044,388.32 × 417,279.68
  4. Step 4: Simplify right side
    756,817.28x = 435,802,023,965.34
  5. Step 5: Solve for x
    x = 435,802,023,965.34/756,817.28
  6. Step 6: Final answer
    x = 575,835.19

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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.