Home / 740,080.31-1,021,253.82-417,822.26

Finding the Fourth Proportional to 740,080.31, 1,021,253.82 and 417,822.26

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Solution

The fourth proportional to 740,080.31, 1,021,253.82 and 417,822.26 is: 576,562.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,080.31 : 1,021,253.82 = 417,822.26 : x
  2. Step 2: Convert to fraction form
    740,080.31/1,021,253.82 = 417,822.26/x
  3. Step 3: Cross multiply
    740,080.31x = 1,021,253.82 × 417,822.26
  4. Step 4: Simplify right side
    740,080.31x = 426,702,579,106.03
  5. Step 5: Solve for x
    x = 426,702,579,106.03/740,080.31
  6. Step 6: Final answer
    x = 576,562.53

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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.