Home / 778,309.09-1,169,123.05-732,804.46

Finding the Fourth Proportional to 778,309.09, 1,169,123.05 and 732,804.46

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Solution

The fourth proportional to 778,309.09, 1,169,123.05 and 732,804.46 is: 1,100,769.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,309.09 : 1,169,123.05 = 732,804.46 : x
  2. Step 2: Convert to fraction form
    778,309.09/1,169,123.05 = 732,804.46/x
  3. Step 3: Cross multiply
    778,309.09x = 1,169,123.05 × 732,804.46
  4. Step 4: Simplify right side
    778,309.09x = 856,738,579,483.19
  5. Step 5: Solve for x
    x = 856,738,579,483.19/778,309.09
  6. Step 6: Final answer
    x = 1,100,769.08

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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.