Home / 758,883.31-1,047,259.34-419,351.56

Finding the Fourth Proportional to 758,883.31, 1,047,259.34 and 419,351.56

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Solution

The fourth proportional to 758,883.31, 1,047,259.34 and 419,351.56 is: 578,705.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,883.31 : 1,047,259.34 = 419,351.56 : x
  2. Step 2: Convert to fraction form
    758,883.31/1,047,259.34 = 419,351.56/x
  3. Step 3: Cross multiply
    758,883.31x = 1,047,259.34 × 419,351.56
  4. Step 4: Simplify right side
    758,883.31x = 439,169,830,620.52
  5. Step 5: Solve for x
    x = 439,169,830,620.52/758,883.31
  6. Step 6: Final answer
    x = 578,705.35

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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.