Home / 758,894.06-1,047,274.17-419,362.31

Finding the Fourth Proportional to 758,894.06, 1,047,274.17 and 419,362.31

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Solution

The fourth proportional to 758,894.06, 1,047,274.17 and 419,362.31 is: 578,720.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,894.06 : 1,047,274.17 = 419,362.31 : x
  2. Step 2: Convert to fraction form
    758,894.06/1,047,274.17 = 419,362.31/x
  3. Step 3: Cross multiply
    758,894.06x = 1,047,274.17 × 419,362.31
  4. Step 4: Simplify right side
    758,894.06x = 439,187,315,134.53
  5. Step 5: Solve for x
    x = 439,187,315,134.53/758,894.06
  6. Step 6: Final answer
    x = 578,720.19

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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.