Home / 877,684.32-1,316,460.84-316,718.82

Finding the Fourth Proportional to 877,684.32, 1,316,460.84 and 316,718.82

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Solution

The fourth proportional to 877,684.32, 1,316,460.84 and 316,718.82 is: 475,054.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,684.32 : 1,316,460.84 = 316,718.82 : x
  2. Step 2: Convert to fraction form
    877,684.32/1,316,460.84 = 316,718.82/x
  3. Step 3: Cross multiply
    877,684.32x = 1,316,460.84 × 316,718.82
  4. Step 4: Simplify right side
    877,684.32x = 416,947,923,821.01
  5. Step 5: Solve for x
    x = 416,947,923,821.01/877,684.32
  6. Step 6: Final answer
    x = 475,054.54

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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.