Home / 778,949.79-1,161,880.05-707,194.32

Finding the Fourth Proportional to 778,949.79, 1,161,880.05 and 707,194.32

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Solution

The fourth proportional to 778,949.79, 1,161,880.05 and 707,194.32 is: 1,054,849.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,949.79 : 1,161,880.05 = 707,194.32 : x
  2. Step 2: Convert to fraction form
    778,949.79/1,161,880.05 = 707,194.32/x
  3. Step 3: Cross multiply
    778,949.79x = 1,161,880.05 × 707,194.32
  4. Step 4: Simplify right side
    778,949.79x = 821,674,971,881.32
  5. Step 5: Solve for x
    x = 821,674,971,881.32/778,949.79
  6. Step 6: Final answer
    x = 1,054,849.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.