Home / 806,669.80-1,210,004.70-245,631.40

Finding the Fourth Proportional to 806,669.80, 1,210,004.70 and 245,631.40

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Solution

The fourth proportional to 806,669.80, 1,210,004.70 and 245,631.40 is: 368,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,669.80 : 1,210,004.70 = 245,631.40 : x
  2. Step 2: Convert to fraction form
    806,669.80/1,210,004.70 = 245,631.40/x
  3. Step 3: Cross multiply
    806,669.80x = 1,210,004.70 × 245,631.40
  4. Step 4: Simplify right side
    806,669.80x = 297,215,148,467.58
  5. Step 5: Solve for x
    x = 297,215,148,467.58/806,669.80
  6. Step 6: Final answer
    x = 368,447.10

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1.5x scale

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.