Home / 758,917.12-1,047,264.42-419,363.50

Finding the Fourth Proportional to 758,917.12, 1,047,264.42 and 419,363.50

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Solution

The fourth proportional to 758,917.12, 1,047,264.42 and 419,363.50 is: 578,698.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,917.12 : 1,047,264.42 = 419,363.50 : x
  2. Step 2: Convert to fraction form
    758,917.12/1,047,264.42 = 419,363.50/x
  3. Step 3: Cross multiply
    758,917.12x = 1,047,264.42 × 419,363.50
  4. Step 4: Simplify right side
    758,917.12x = 439,184,472,596.67
  5. Step 5: Solve for x
    x = 439,184,472,596.67/758,917.12
  6. Step 6: Final answer
    x = 578,698.86

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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.