Home / 808,856.80-1,213,342.80-247,890.40

Finding the Fourth Proportional to 808,856.80, 1,213,342.80 and 247,890.40

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Solution

The fourth proportional to 808,856.80, 1,213,342.80 and 247,890.40 is: 371,853.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,856.80 : 1,213,342.80 = 247,890.40 : x
  2. Step 2: Convert to fraction form
    808,856.80/1,213,342.80 = 247,890.40/x
  3. Step 3: Cross multiply
    808,856.80x = 1,213,342.80 × 247,890.40
  4. Step 4: Simplify right side
    808,856.80x = 300,776,032,029.12
  5. Step 5: Solve for x
    x = 300,776,032,029.12/808,856.80
  6. Step 6: Final answer
    x = 371,853.25

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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.