Home / 738,005.40-1,104,383.70-675,019.80

Finding the Fourth Proportional to 738,005.40, 1,104,383.70 and 675,019.80

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Solution

The fourth proportional to 738,005.40, 1,104,383.70 and 675,019.80 is: 1,010,129.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,005.40 : 1,104,383.70 = 675,019.80 : x
  2. Step 2: Convert to fraction form
    738,005.40/1,104,383.70 = 675,019.80/x
  3. Step 3: Cross multiply
    738,005.40x = 1,104,383.70 × 675,019.80
  4. Step 4: Simplify right side
    738,005.40x = 745,480,864,297.26
  5. Step 5: Solve for x
    x = 745,480,864,297.26/738,005.40
  6. Step 6: Final answer
    x = 1,010,129.28

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1.5x scale

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.