Home / 647,029.02-892,903.60-375,258

Finding the Fourth Proportional to 647,029.02, 892,903.60 and 375,258

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Solution

The fourth proportional to 647,029.02, 892,903.60 and 375,258 is: 517,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,029.02 : 892,903.60 = 375,258 : x
  2. Step 2: Convert to fraction form
    647,029.02/892,903.60 = 375,258/x
  3. Step 3: Cross multiply
    647,029.02x = 892,903.60 × 375,258
  4. Step 4: Simplify right side
    647,029.02x = 335,069,219,128.80
  5. Step 5: Solve for x
    x = 335,069,219,128.80/647,029.02
  6. Step 6: Final answer
    x = 517,858.10

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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.