Home / 758,569.23-1,045,977.44-620,318.43

Finding the Fourth Proportional to 758,569.23, 1,045,977.44 and 620,318.43

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Solution

The fourth proportional to 758,569.23, 1,045,977.44 and 620,318.43 is: 855,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,569.23 : 1,045,977.44 = 620,318.43 : x
  2. Step 2: Convert to fraction form
    758,569.23/1,045,977.44 = 620,318.43/x
  3. Step 3: Cross multiply
    758,569.23x = 1,045,977.44 × 620,318.43
  4. Step 4: Simplify right side
    758,569.23x = 648,839,080,294.63
  5. Step 5: Solve for x
    x = 648,839,080,294.63/758,569.23
  6. Step 6: Final answer
    x = 855,345.90

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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.