Home / 740,994.75-1,022,008.52-637,804.58

Finding the Fourth Proportional to 740,994.75, 1,022,008.52 and 637,804.58

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Solution

The fourth proportional to 740,994.75, 1,022,008.52 and 637,804.58 is: 879,684.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,994.75 : 1,022,008.52 = 637,804.58 : x
  2. Step 2: Convert to fraction form
    740,994.75/1,022,008.52 = 637,804.58/x
  3. Step 3: Cross multiply
    740,994.75x = 1,022,008.52 × 637,804.58
  4. Step 4: Simplify right side
    740,994.75x = 651,841,706,555.96
  5. Step 5: Solve for x
    x = 651,841,706,555.96/740,994.75
  6. Step 6: Final answer
    x = 879,684.65

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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.