Home / 738,848.20-1,108,272.30-265,581.40

Finding the Fourth Proportional to 738,848.20, 1,108,272.30 and 265,581.40

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Solution

The fourth proportional to 738,848.20, 1,108,272.30 and 265,581.40 is: 398,372.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,848.20 : 1,108,272.30 = 265,581.40 : x
  2. Step 2: Convert to fraction form
    738,848.20/1,108,272.30 = 265,581.40/x
  3. Step 3: Cross multiply
    738,848.20x = 1,108,272.30 × 265,581.40
  4. Step 4: Simplify right side
    738,848.20x = 294,336,509,015.22
  5. Step 5: Solve for x
    x = 294,336,509,015.22/738,848.20
  6. Step 6: Final answer
    x = 398,372.10

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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.