Home / 788,499.42-1,088,129.64-425,923.25

Finding the Fourth Proportional to 788,499.42, 1,088,129.64 and 425,923.25

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Solution

The fourth proportional to 788,499.42, 1,088,129.64 and 425,923.25 is: 587,774.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,499.42 : 1,088,129.64 = 425,923.25 : x
  2. Step 2: Convert to fraction form
    788,499.42/1,088,129.64 = 425,923.25/x
  3. Step 3: Cross multiply
    788,499.42x = 1,088,129.64 × 425,923.25
  4. Step 4: Simplify right side
    788,499.42x = 463,459,707,249.48
  5. Step 5: Solve for x
    x = 463,459,707,249.48/788,499.42
  6. Step 6: Final answer
    x = 587,774.32

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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.