Home / 751,302.20-1,036,795.06-407,147.65

Finding the Fourth Proportional to 751,302.20, 1,036,795.06 and 407,147.65

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Solution

The fourth proportional to 751,302.20, 1,036,795.06 and 407,147.65 is: 561,862.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,302.20 : 1,036,795.06 = 407,147.65 : x
  2. Step 2: Convert to fraction form
    751,302.20/1,036,795.06 = 407,147.65/x
  3. Step 3: Cross multiply
    751,302.20x = 1,036,795.06 × 407,147.65
  4. Step 4: Simplify right side
    751,302.20x = 422,128,672,210.61
  5. Step 5: Solve for x
    x = 422,128,672,210.61/751,302.20
  6. Step 6: Final answer
    x = 561,862.69

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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.