Home / 772,433.79-1,158,725.17-239,811.81

Finding the Fourth Proportional to 772,433.79, 1,158,725.17 and 239,811.81

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Solution

The fourth proportional to 772,433.79, 1,158,725.17 and 239,811.81 is: 359,740.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,433.79 : 1,158,725.17 = 239,811.81 : x
  2. Step 2: Convert to fraction form
    772,433.79/1,158,725.17 = 239,811.81/x
  3. Step 3: Cross multiply
    772,433.79x = 1,158,725.17 × 239,811.81
  4. Step 4: Simplify right side
    772,433.79x = 277,875,980,310.26
  5. Step 5: Solve for x
    x = 277,875,980,310.26/772,433.79
  6. Step 6: Final answer
    x = 359,740.84

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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.