Home / 905,495.65-1,249,063.66-565,373.41

Finding the Fourth Proportional to 905,495.65, 1,249,063.66 and 565,373.41

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Solution

The fourth proportional to 905,495.65, 1,249,063.66 and 565,373.41 is: 779,890.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,495.65 : 1,249,063.66 = 565,373.41 : x
  2. Step 2: Convert to fraction form
    905,495.65/1,249,063.66 = 565,373.41/x
  3. Step 3: Cross multiply
    905,495.65x = 1,249,063.66 × 565,373.41
  4. Step 4: Simplify right side
    905,495.65x = 706,187,380,761.28
  5. Step 5: Solve for x
    x = 706,187,380,761.28/905,495.65
  6. Step 6: Final answer
    x = 779,890.42

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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.