Home / 758,894.40-1,047,265.92-419,342.40

Finding the Fourth Proportional to 758,894.40, 1,047,265.92 and 419,342.40

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Solution

The fourth proportional to 758,894.40, 1,047,265.92 and 419,342.40 is: 578,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,894.40 : 1,047,265.92 = 419,342.40 : x
  2. Step 2: Convert to fraction form
    758,894.40/1,047,265.92 = 419,342.40/x
  3. Step 3: Cross multiply
    758,894.40x = 1,047,265.92 × 419,342.40
  4. Step 4: Simplify right side
    758,894.40x = 439,163,004,331.01
  5. Step 5: Solve for x
    x = 439,163,004,331.01/758,894.40
  6. Step 6: Final answer
    x = 578,687.90

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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.