Home / 740,252.52-1,110,212.74-340,509.40

Finding the Fourth Proportional to 740,252.52, 1,110,212.74 and 340,509.40

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Solution

The fourth proportional to 740,252.52, 1,110,212.74 and 340,509.40 is: 510,687.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,252.52 : 1,110,212.74 = 340,509.40 : x
  2. Step 2: Convert to fraction form
    740,252.52/1,110,212.74 = 340,509.40/x
  3. Step 3: Cross multiply
    740,252.52x = 1,110,212.74 × 340,509.40
  4. Step 4: Simplify right side
    740,252.52x = 378,037,873,969.76
  5. Step 5: Solve for x
    x = 378,037,873,969.76/740,252.52
  6. Step 6: Final answer
    x = 510,687.72

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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.