Home / 456,084.06-629,620.47-286,411.74

Finding the Fourth Proportional to 456,084.06, 629,620.47 and 286,411.74

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Solution

The fourth proportional to 456,084.06, 629,620.47 and 286,411.74 is: 395,389.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,084.06 : 629,620.47 = 286,411.74 : x
  2. Step 2: Convert to fraction form
    456,084.06/629,620.47 = 286,411.74/x
  3. Step 3: Cross multiply
    456,084.06x = 629,620.47 × 286,411.74
  4. Step 4: Simplify right side
    456,084.06x = 180,330,694,352.32
  5. Step 5: Solve for x
    x = 180,330,694,352.32/456,084.06
  6. Step 6: Final answer
    x = 395,389.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.