Home / 673,970.40-1,010,955.60-622,648.80

Finding the Fourth Proportional to 673,970.40, 1,010,955.60 and 622,648.80

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Solution

The fourth proportional to 673,970.40, 1,010,955.60 and 622,648.80 is: 933,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,970.40 : 1,010,955.60 = 622,648.80 : x
  2. Step 2: Convert to fraction form
    673,970.40/1,010,955.60 = 622,648.80/x
  3. Step 3: Cross multiply
    673,970.40x = 1,010,955.60 × 622,648.80
  4. Step 4: Simplify right side
    673,970.40x = 629,470,291,193.28
  5. Step 5: Solve for x
    x = 629,470,291,193.28/673,970.40
  6. Step 6: Final answer
    x = 933,973.20

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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.