Home / 476,552.40-714,828.60-455,557.20

Finding the Fourth Proportional to 476,552.40, 714,828.60 and 455,557.20

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Solution

The fourth proportional to 476,552.40, 714,828.60 and 455,557.20 is: 683,335.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,552.40 : 714,828.60 = 455,557.20 : x
  2. Step 2: Convert to fraction form
    476,552.40/714,828.60 = 455,557.20/x
  3. Step 3: Cross multiply
    476,552.40x = 714,828.60 × 455,557.20
  4. Step 4: Simplify right side
    476,552.40x = 325,645,315,495.92
  5. Step 5: Solve for x
    x = 325,645,315,495.92/476,552.40
  6. Step 6: Final answer
    x = 683,335.80

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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.