Home / 680,466.47-1,020,702.37-275,666.33

Finding the Fourth Proportional to 680,466.47, 1,020,702.37 and 275,666.33

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Solution

The fourth proportional to 680,466.47, 1,020,702.37 and 275,666.33 is: 413,500.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,466.47 : 1,020,702.37 = 275,666.33 : x
  2. Step 2: Convert to fraction form
    680,466.47/1,020,702.37 = 275,666.33/x
  3. Step 3: Cross multiply
    680,466.47x = 1,020,702.37 × 275,666.33
  4. Step 4: Simplify right side
    680,466.47x = 281,373,276,360.20
  5. Step 5: Solve for x
    x = 281,373,276,360.20/680,466.47
  6. Step 6: Final answer
    x = 413,500.58

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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.