Home / 758,811.12-1,047,159-419,276.40

Finding the Fourth Proportional to 758,811.12, 1,047,159 and 419,276.40

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Solution

The fourth proportional to 758,811.12, 1,047,159 and 419,276.40 is: 578,601.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,811.12 : 1,047,159 = 419,276.40 : x
  2. Step 2: Convert to fraction form
    758,811.12/1,047,159 = 419,276.40/x
  3. Step 3: Cross multiply
    758,811.12x = 1,047,159 × 419,276.40
  4. Step 4: Simplify right side
    758,811.12x = 439,049,055,747.60
  5. Step 5: Solve for x
    x = 439,049,055,747.60/758,811.12
  6. Step 6: Final answer
    x = 578,601.24

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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.