Home / 563,559.15-777,741.44-308,921.07

Finding the Fourth Proportional to 563,559.15, 777,741.44 and 308,921.07

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Solution

The fourth proportional to 563,559.15, 777,741.44 and 308,921.07 is: 426,327.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,559.15 : 777,741.44 = 308,921.07 : x
  2. Step 2: Convert to fraction form
    563,559.15/777,741.44 = 308,921.07/x
  3. Step 3: Cross multiply
    563,559.15x = 777,741.44 × 308,921.07
  4. Step 4: Simplify right side
    563,559.15x = 240,260,716,283.54
  5. Step 5: Solve for x
    x = 240,260,716,283.54/563,559.15
  6. Step 6: Final answer
    x = 426,327.42

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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.