Home / 758,753.04-1,047,100.32-419,243.16

Finding the Fourth Proportional to 758,753.04, 1,047,100.32 and 419,243.16

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Solution

The fourth proportional to 758,753.04, 1,047,100.32 and 419,243.16 is: 578,567.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,753.04 : 1,047,100.32 = 419,243.16 : x
  2. Step 2: Convert to fraction form
    758,753.04/1,047,100.32 = 419,243.16/x
  3. Step 3: Cross multiply
    758,753.04x = 1,047,100.32 × 419,243.16
  4. Step 4: Simplify right side
    758,753.04x = 438,989,646,993.81
  5. Step 5: Solve for x
    x = 438,989,646,993.81/758,753.04
  6. Step 6: Final answer
    x = 578,567.23

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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.