Home / 740,999.34-1,022,014.85-637,809.15

Finding the Fourth Proportional to 740,999.34, 1,022,014.85 and 637,809.15

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Solution

The fourth proportional to 740,999.34, 1,022,014.85 and 637,809.15 is: 879,690.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,999.34 : 1,022,014.85 = 637,809.15 : x
  2. Step 2: Convert to fraction form
    740,999.34/1,022,014.85 = 637,809.15/x
  3. Step 3: Cross multiply
    740,999.34x = 1,022,014.85 × 637,809.15
  4. Step 4: Simplify right side
    740,999.34x = 651,850,419,576.83
  5. Step 5: Solve for x
    x = 651,850,419,576.83/740,999.34
  6. Step 6: Final answer
    x = 879,690.96

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1.5x scale

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.