Home / 896,811.95-1,345,222.78-265,731.23

Finding the Fourth Proportional to 896,811.95, 1,345,222.78 and 265,731.23

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Solution

The fourth proportional to 896,811.95, 1,345,222.78 and 265,731.23 is: 398,598.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,811.95 : 1,345,222.78 = 265,731.23 : x
  2. Step 2: Convert to fraction form
    896,811.95/1,345,222.78 = 265,731.23/x
  3. Step 3: Cross multiply
    896,811.95x = 1,345,222.78 × 265,731.23
  4. Step 4: Simplify right side
    896,811.95x = 357,467,696,562.98
  5. Step 5: Solve for x
    x = 357,467,696,562.98/896,811.95
  6. Step 6: Final answer
    x = 398,598.28

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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.