Home / 457,905.49-631,948.40-254,022.11

Finding the Fourth Proportional to 457,905.49, 631,948.40 and 254,022.11

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Solution

The fourth proportional to 457,905.49, 631,948.40 and 254,022.11 is: 350,572.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,905.49 : 631,948.40 = 254,022.11 : x
  2. Step 2: Convert to fraction form
    457,905.49/631,948.40 = 254,022.11/x
  3. Step 3: Cross multiply
    457,905.49x = 631,948.40 × 254,022.11
  4. Step 4: Simplify right side
    457,905.49x = 160,528,864,871.66
  5. Step 5: Solve for x
    x = 160,528,864,871.66/457,905.49
  6. Step 6: Final answer
    x = 350,572.05

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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.