Home / 559,471.77-772,086.06-304,839.36

Finding the Fourth Proportional to 559,471.77, 772,086.06 and 304,839.36

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Solution

The fourth proportional to 559,471.77, 772,086.06 and 304,839.36 is: 420,686.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,471.77 : 772,086.06 = 304,839.36 : x
  2. Step 2: Convert to fraction form
    559,471.77/772,086.06 = 304,839.36/x
  3. Step 3: Cross multiply
    559,471.77x = 772,086.06 × 304,839.36
  4. Step 4: Simplify right side
    559,471.77x = 235,362,220,395.32
  5. Step 5: Solve for x
    x = 235,362,220,395.32/559,471.77
  6. Step 6: Final answer
    x = 420,686.50

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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.