Home / 740,526.49-1,110,177.37-340,830.37

Finding the Fourth Proportional to 740,526.49, 1,110,177.37 and 340,830.37

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Solution

The fourth proportional to 740,526.49, 1,110,177.37 and 340,830.37 is: 510,963.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,526.49 : 1,110,177.37 = 340,830.37 : x
  2. Step 2: Convert to fraction form
    740,526.49/1,110,177.37 = 340,830.37/x
  3. Step 3: Cross multiply
    740,526.49x = 1,110,177.37 × 340,830.37
  4. Step 4: Simplify right side
    740,526.49x = 378,382,163,782.73
  5. Step 5: Solve for x
    x = 378,382,163,782.73/740,526.49
  6. Step 6: Final answer
    x = 510,963.71

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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.