Home / 778,308.09-1,169,121.55-732,803.46

Finding the Fourth Proportional to 778,308.09, 1,169,121.55 and 732,803.46

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Solution

The fourth proportional to 778,308.09, 1,169,121.55 and 732,803.46 is: 1,100,767.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,308.09 : 1,169,121.55 = 732,803.46 : x
  2. Step 2: Convert to fraction form
    778,308.09/1,169,121.55 = 732,803.46/x
  3. Step 3: Cross multiply
    778,308.09x = 1,169,121.55 × 732,803.46
  4. Step 4: Simplify right side
    778,308.09x = 856,736,312,158.36
  5. Step 5: Solve for x
    x = 856,736,312,158.36/778,308.09
  6. Step 6: Final answer
    x = 1,100,767.58

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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.