Home / 947,568.58-1,307,648.01-517,848.60

Finding the Fourth Proportional to 947,568.58, 1,307,648.01 and 517,848.60

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Solution

The fourth proportional to 947,568.58, 1,307,648.01 and 517,848.60 is: 714,632.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,568.58 : 1,307,648.01 = 517,848.60 : x
  2. Step 2: Convert to fraction form
    947,568.58/1,307,648.01 = 517,848.60/x
  3. Step 3: Cross multiply
    947,568.58x = 1,307,648.01 × 517,848.60
  4. Step 4: Simplify right side
    947,568.58x = 677,163,691,271.29
  5. Step 5: Solve for x
    x = 677,163,691,271.29/947,568.58
  6. Step 6: Final answer
    x = 714,632.91

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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.