Home / 1,008,678.99-1,512,456.14-334,393.28

Finding the Fourth Proportional to 1,008,678.99, 1,512,456.14 and 334,393.28

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Solution

The fourth proportional to 1,008,678.99, 1,512,456.14 and 334,393.28 is: 501,403.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,678.99 : 1,512,456.14 = 334,393.28 : x
  2. Step 2: Convert to fraction form
    1,008,678.99/1,512,456.14 = 334,393.28/x
  3. Step 3: Cross multiply
    1,008,678.99x = 1,512,456.14 × 334,393.28
  4. Step 4: Simplify right side
    1,008,678.99x = 505,755,169,510.74
  5. Step 5: Solve for x
    x = 505,755,169,510.74/1,008,678.99
  6. Step 6: Final answer
    x = 501,403.49

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Double scale
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Similar ratio
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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.