Home / 778,905.10-1,168,880.10-273,465.10

Finding the Fourth Proportional to 778,905.10, 1,168,880.10 and 273,465.10

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Solution

The fourth proportional to 778,905.10, 1,168,880.10 and 273,465.10 is: 410,381.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,905.10 : 1,168,880.10 = 273,465.10 : x
  2. Step 2: Convert to fraction form
    778,905.10/1,168,880.10 = 273,465.10/x
  3. Step 3: Cross multiply
    778,905.10x = 1,168,880.10 × 273,465.10
  4. Step 4: Simplify right side
    778,905.10x = 319,647,913,434.51
  5. Step 5: Solve for x
    x = 319,647,913,434.51/778,905.10
  6. Step 6: Final answer
    x = 410,381.08

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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.