Home / 758,888.32-1,047,266.24-419,356.56

Finding the Fourth Proportional to 758,888.32, 1,047,266.24 and 419,356.56

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Solution

The fourth proportional to 758,888.32, 1,047,266.24 and 419,356.56 is: 578,712.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,888.32 : 1,047,266.24 = 419,356.56 : x
  2. Step 2: Convert to fraction form
    758,888.32/1,047,266.24 = 419,356.56/x
  3. Step 3: Cross multiply
    758,888.32x = 1,047,266.24 × 419,356.56
  4. Step 4: Simplify right side
    758,888.32x = 439,177,967,810.53
  5. Step 5: Solve for x
    x = 439,177,967,810.53/758,888.32
  6. Step 6: Final answer
    x = 578,712.25

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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.