Home / 613,275.48-845,595.99-419,776.47

Finding the Fourth Proportional to 613,275.48, 845,595.99 and 419,776.47

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Solution

The fourth proportional to 613,275.48, 845,595.99 and 419,776.47 is: 578,795.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,275.48 : 845,595.99 = 419,776.47 : x
  2. Step 2: Convert to fraction form
    613,275.48/845,595.99 = 419,776.47/x
  3. Step 3: Cross multiply
    613,275.48x = 845,595.99 × 419,776.47
  4. Step 4: Simplify right side
    613,275.48x = 354,961,299,728.36
  5. Step 5: Solve for x
    x = 354,961,299,728.36/613,275.48
  6. Step 6: Final answer
    x = 578,795.85

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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.