Home / 563,361.40-777,413.37-308,707.12

Finding the Fourth Proportional to 563,361.40, 777,413.37 and 308,707.12

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Solution

The fourth proportional to 563,361.40, 777,413.37 and 308,707.12 is: 426,001.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,361.40 : 777,413.37 = 308,707.12 : x
  2. Step 2: Convert to fraction form
    563,361.40/777,413.37 = 308,707.12/x
  3. Step 3: Cross multiply
    563,361.40x = 777,413.37 × 308,707.12
  4. Step 4: Simplify right side
    563,361.40x = 239,993,043,288.08
  5. Step 5: Solve for x
    x = 239,993,043,288.08/563,361.40
  6. Step 6: Final answer
    x = 426,001.93

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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.