Home / 739,747.67-1,020,793.65-453,228.80

Finding the Fourth Proportional to 739,747.67, 1,020,793.65 and 453,228.80

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Solution

The fourth proportional to 739,747.67, 1,020,793.65 and 453,228.80 is: 625,420.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,747.67 : 1,020,793.65 = 453,228.80 : x
  2. Step 2: Convert to fraction form
    739,747.67/1,020,793.65 = 453,228.80/x
  3. Step 3: Cross multiply
    739,747.67x = 1,020,793.65 × 453,228.80
  4. Step 4: Simplify right side
    739,747.67x = 462,653,081,037.12
  5. Step 5: Solve for x
    x = 462,653,081,037.12/739,747.67
  6. Step 6: Final answer
    x = 625,420.13

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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.