Home / 739,800.84-1,020,925.16-400,269.09

Finding the Fourth Proportional to 739,800.84, 1,020,925.16 and 400,269.09

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Solution

The fourth proportional to 739,800.84, 1,020,925.16 and 400,269.09 is: 552,371.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,800.84 : 1,020,925.16 = 400,269.09 : x
  2. Step 2: Convert to fraction form
    739,800.84/1,020,925.16 = 400,269.09/x
  3. Step 3: Cross multiply
    739,800.84x = 1,020,925.16 × 400,269.09
  4. Step 4: Simplify right side
    739,800.84x = 408,644,790,330.95
  5. Step 5: Solve for x
    x = 408,644,790,330.95/739,800.84
  6. Step 6: Final answer
    x = 552,371.35

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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.