Home / 679,070.95-1,018,606.61-252,551.05

Finding the Fourth Proportional to 679,070.95, 1,018,606.61 and 252,551.05

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Solution

The fourth proportional to 679,070.95, 1,018,606.61 and 252,551.05 is: 378,826.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,070.95 : 1,018,606.61 = 252,551.05 : x
  2. Step 2: Convert to fraction form
    679,070.95/1,018,606.61 = 252,551.05/x
  3. Step 3: Cross multiply
    679,070.95x = 1,018,606.61 × 252,551.05
  4. Step 4: Simplify right side
    679,070.95x = 257,250,166,019.73
  5. Step 5: Solve for x
    x = 257,250,166,019.73/679,070.95
  6. Step 6: Final answer
    x = 378,826.64

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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.