Home / 790,901.02-1,091,463.40-485,146

Finding the Fourth Proportional to 790,901.02, 1,091,463.40 and 485,146

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Solution

The fourth proportional to 790,901.02, 1,091,463.40 and 485,146 is: 669,513.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,901.02 : 1,091,463.40 = 485,146 : x
  2. Step 2: Convert to fraction form
    790,901.02/1,091,463.40 = 485,146/x
  3. Step 3: Cross multiply
    790,901.02x = 1,091,463.40 × 485,146
  4. Step 4: Simplify right side
    790,901.02x = 529,519,102,656.40
  5. Step 5: Solve for x
    x = 529,519,102,656.40/790,901.02
  6. Step 6: Final answer
    x = 669,513.74

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