Home / 740,390.49-1,022,094.09-468,590.13

Finding the Fourth Proportional to 740,390.49, 1,022,094.09 and 468,590.13

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Solution

The fourth proportional to 740,390.49, 1,022,094.09 and 468,590.13 is: 646,879.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,390.49 : 1,022,094.09 = 468,590.13 : x
  2. Step 2: Convert to fraction form
    740,390.49/1,022,094.09 = 468,590.13/x
  3. Step 3: Cross multiply
    740,390.49x = 1,022,094.09 × 468,590.13
  4. Step 4: Simplify right side
    740,390.49x = 478,943,202,505.33
  5. Step 5: Solve for x
    x = 478,943,202,505.33/740,390.49
  6. Step 6: Final answer
    x = 646,879.19

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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.