Home / 605,315.25-835,356.47-375,998.13

Finding the Fourth Proportional to 605,315.25, 835,356.47 and 375,998.13

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Solution

The fourth proportional to 605,315.25, 835,356.47 and 375,998.13 is: 518,890.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,315.25 : 835,356.47 = 375,998.13 : x
  2. Step 2: Convert to fraction form
    605,315.25/835,356.47 = 375,998.13/x
  3. Step 3: Cross multiply
    605,315.25x = 835,356.47 × 375,998.13
  4. Step 4: Simplify right side
    605,315.25x = 314,092,470,603.40
  5. Step 5: Solve for x
    x = 314,092,470,603.40/605,315.25
  6. Step 6: Final answer
    x = 518,890.73

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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.