Home / 758,927.46-1,047,230.73-419,375.46

Finding the Fourth Proportional to 758,927.46, 1,047,230.73 and 419,375.46

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Solution

The fourth proportional to 758,927.46, 1,047,230.73 and 419,375.46 is: 578,688.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,927.46 : 1,047,230.73 = 419,375.46 : x
  2. Step 2: Convert to fraction form
    758,927.46/1,047,230.73 = 419,375.46/x
  3. Step 3: Cross multiply
    758,927.46x = 1,047,230.73 × 419,375.46
  4. Step 4: Simplify right side
    758,927.46x = 439,182,869,119.89
  5. Step 5: Solve for x
    x = 439,182,869,119.89/758,927.46
  6. Step 6: Final answer
    x = 578,688.86

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1.5x scale

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.