Home / 538,362.16-742,933.84-305,787.52

Finding the Fourth Proportional to 538,362.16, 742,933.84 and 305,787.52

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Solution

The fourth proportional to 538,362.16, 742,933.84 and 305,787.52 is: 421,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,362.16 : 742,933.84 = 305,787.52 : x
  2. Step 2: Convert to fraction form
    538,362.16/742,933.84 = 305,787.52/x
  3. Step 3: Cross multiply
    538,362.16x = 742,933.84 × 305,787.52
  4. Step 4: Simplify right side
    538,362.16x = 227,179,896,457.68
  5. Step 5: Solve for x
    x = 227,179,896,457.68/538,362.16
  6. Step 6: Final answer
    x = 421,983.40

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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.