Home / 904,863.02-1,248,821.78-522,889.80

Finding the Fourth Proportional to 904,863.02, 1,248,821.78 and 522,889.80

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Solution

The fourth proportional to 904,863.02, 1,248,821.78 and 522,889.80 is: 721,651.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,863.02 : 1,248,821.78 = 522,889.80 : x
  2. Step 2: Convert to fraction form
    904,863.02/1,248,821.78 = 522,889.80/x
  3. Step 3: Cross multiply
    904,863.02x = 1,248,821.78 × 522,889.80
  4. Step 4: Simplify right side
    904,863.02x = 652,996,170,779.84
  5. Step 5: Solve for x
    x = 652,996,170,779.84/904,863.02
  6. Step 6: Final answer
    x = 721,651.96

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1.5x scale

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.