Home / 770,641.56-1,063,699.02-448,414.02

Finding the Fourth Proportional to 770,641.56, 1,063,699.02 and 448,414.02

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Solution

The fourth proportional to 770,641.56, 1,063,699.02 and 448,414.02 is: 618,935.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,641.56 : 1,063,699.02 = 448,414.02 : x
  2. Step 2: Convert to fraction form
    770,641.56/1,063,699.02 = 448,414.02/x
  3. Step 3: Cross multiply
    770,641.56x = 1,063,699.02 × 448,414.02
  4. Step 4: Simplify right side
    770,641.56x = 476,977,553,628.26
  5. Step 5: Solve for x
    x = 476,977,553,628.26/770,641.56
  6. Step 6: Final answer
    x = 618,935.67

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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.