Home / 1,208,770.32-1,813,220.16-310,219.80

Finding the Fourth Proportional to 1,208,770.32, 1,813,220.16 and 310,219.80

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Solution

The fourth proportional to 1,208,770.32, 1,813,220.16 and 310,219.80 is: 465,346.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,770.32 : 1,813,220.16 = 310,219.80 : x
  2. Step 2: Convert to fraction form
    1,208,770.32/1,813,220.16 = 310,219.80/x
  3. Step 3: Cross multiply
    1,208,770.32x = 1,813,220.16 × 310,219.80
  4. Step 4: Simplify right side
    1,208,770.32x = 562,496,795,391.17
  5. Step 5: Solve for x
    x = 562,496,795,391.17/1,208,770.32
  6. Step 6: Final answer
    x = 465,346.30

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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.