Home / 740,141.58-1,021,420.14-453,606.30

Finding the Fourth Proportional to 740,141.58, 1,021,420.14 and 453,606.30

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Solution

The fourth proportional to 740,141.58, 1,021,420.14 and 453,606.30 is: 625,991.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,141.58 : 1,021,420.14 = 453,606.30 : x
  2. Step 2: Convert to fraction form
    740,141.58/1,021,420.14 = 453,606.30/x
  3. Step 3: Cross multiply
    740,141.58x = 1,021,420.14 × 453,606.30
  4. Step 4: Simplify right side
    740,141.58x = 463,322,610,450.88
  5. Step 5: Solve for x
    x = 463,322,610,450.88/740,141.58
  6. Step 6: Final answer
    x = 625,991.87

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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.