Home / 457,935.30-631,955.34-253,990.26

Finding the Fourth Proportional to 457,935.30, 631,955.34 and 253,990.26

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Solution

The fourth proportional to 457,935.30, 631,955.34 and 253,990.26 is: 350,509.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,935.30 : 631,955.34 = 253,990.26 : x
  2. Step 2: Convert to fraction form
    457,935.30/631,955.34 = 253,990.26/x
  3. Step 3: Cross multiply
    457,935.30x = 631,955.34 × 253,990.26
  4. Step 4: Simplify right side
    457,935.30x = 160,510,501,114.99
  5. Step 5: Solve for x
    x = 160,510,501,114.99/457,935.30
  6. Step 6: Final answer
    x = 350,509.12

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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.