Home / 870,281.67-1,305,431.52-263,075.04

Finding the Fourth Proportional to 870,281.67, 1,305,431.52 and 263,075.04

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Solution

The fourth proportional to 870,281.67, 1,305,431.52 and 263,075.04 is: 394,615.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,281.67 : 1,305,431.52 = 263,075.04 : x
  2. Step 2: Convert to fraction form
    870,281.67/1,305,431.52 = 263,075.04/x
  3. Step 3: Cross multiply
    870,281.67x = 1,305,431.52 × 263,075.04
  4. Step 4: Simplify right side
    870,281.67x = 343,426,449,341.26
  5. Step 5: Solve for x
    x = 343,426,449,341.26/870,281.67
  6. Step 6: Final answer
    x = 394,615.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.