Home / 758,892.32-1,047,271.76-419,360.56

Finding the Fourth Proportional to 758,892.32, 1,047,271.76 and 419,360.56

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Solution

The fourth proportional to 758,892.32, 1,047,271.76 and 419,360.56 is: 578,717.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,892.32 : 1,047,271.76 = 419,360.56 : x
  2. Step 2: Convert to fraction form
    758,892.32/1,047,271.76 = 419,360.56/x
  3. Step 3: Cross multiply
    758,892.32x = 1,047,271.76 × 419,360.56
  4. Step 4: Simplify right side
    758,892.32x = 439,184,471,745.79
  5. Step 5: Solve for x
    x = 439,184,471,745.79/758,892.32
  6. Step 6: Final answer
    x = 578,717.77

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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.