Home / 739,745.67-1,020,790.89-453,226.80

Finding the Fourth Proportional to 739,745.67, 1,020,790.89 and 453,226.80

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Solution

The fourth proportional to 739,745.67, 1,020,790.89 and 453,226.80 is: 625,417.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,745.67 : 1,020,790.89 = 453,226.80 : x
  2. Step 2: Convert to fraction form
    739,745.67/1,020,790.89 = 453,226.80/x
  3. Step 3: Cross multiply
    739,745.67x = 1,020,790.89 × 453,226.80
  4. Step 4: Simplify right side
    739,745.67x = 462,649,788,543.85
  5. Step 5: Solve for x
    x = 462,649,788,543.85/739,745.67
  6. Step 6: Final answer
    x = 625,417.37

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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.