Home / 460,384.04-635,289.54-256,419.56

Finding the Fourth Proportional to 460,384.04, 635,289.54 and 256,419.56

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Solution

The fourth proportional to 460,384.04, 635,289.54 and 256,419.56 is: 353,836.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,384.04 : 635,289.54 = 256,419.56 : x
  2. Step 2: Convert to fraction form
    460,384.04/635,289.54 = 256,419.56/x
  3. Step 3: Cross multiply
    460,384.04x = 635,289.54 × 256,419.56
  4. Step 4: Simplify right side
    460,384.04x = 162,900,664,319.40
  5. Step 5: Solve for x
    x = 162,900,664,319.40/460,384.04
  6. Step 6: Final answer
    x = 353,836.47

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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.