Home / 803,471.98-1,205,278.72-298,038.46

Finding the Fourth Proportional to 803,471.98, 1,205,278.72 and 298,038.46

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Solution

The fourth proportional to 803,471.98, 1,205,278.72 and 298,038.46 is: 447,083.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,471.98 : 1,205,278.72 = 298,038.46 : x
  2. Step 2: Convert to fraction form
    803,471.98/1,205,278.72 = 298,038.46/x
  3. Step 3: Cross multiply
    803,471.98x = 1,205,278.72 × 298,038.46
  4. Step 4: Simplify right side
    803,471.98x = 359,219,413,579.57
  5. Step 5: Solve for x
    x = 359,219,413,579.57/803,471.98
  6. Step 6: Final answer
    x = 447,083.93

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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.