Home / 304,838.40-457,257.60-299,006.40

Finding the Fourth Proportional to 304,838.40, 457,257.60 and 299,006.40

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Solution

The fourth proportional to 304,838.40, 457,257.60 and 299,006.40 is: 448,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,838.40 : 457,257.60 = 299,006.40 : x
  2. Step 2: Convert to fraction form
    304,838.40/457,257.60 = 299,006.40/x
  3. Step 3: Cross multiply
    304,838.40x = 457,257.60 × 299,006.40
  4. Step 4: Simplify right side
    304,838.40x = 136,722,948,848.64
  5. Step 5: Solve for x
    x = 136,722,948,848.64/304,838.40
  6. Step 6: Final answer
    x = 448,509.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.