Home / 740,012.08-1,021,414.04-417,910.72

Finding the Fourth Proportional to 740,012.08, 1,021,414.04 and 417,910.72

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Solution

The fourth proportional to 740,012.08, 1,021,414.04 and 417,910.72 is: 576,828.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,012.08 : 1,021,414.04 = 417,910.72 : x
  2. Step 2: Convert to fraction form
    740,012.08/1,021,414.04 = 417,910.72/x
  3. Step 3: Cross multiply
    740,012.08x = 1,021,414.04 × 417,910.72
  4. Step 4: Simplify right side
    740,012.08x = 426,859,876,874.51
  5. Step 5: Solve for x
    x = 426,859,876,874.51/740,012.08
  6. Step 6: Final answer
    x = 576,828.26

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Double scale
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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.