Home / 806,270.58-1,209,580.83-245,290.50

Finding the Fourth Proportional to 806,270.58, 1,209,580.83 and 245,290.50

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Solution

The fourth proportional to 806,270.58, 1,209,580.83 and 245,290.50 is: 367,988.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,270.58 : 1,209,580.83 = 245,290.50 : x
  2. Step 2: Convert to fraction form
    806,270.58/1,209,580.83 = 245,290.50/x
  3. Step 3: Cross multiply
    806,270.58x = 1,209,580.83 × 245,290.50
  4. Step 4: Simplify right side
    806,270.58x = 296,698,686,581.12
  5. Step 5: Solve for x
    x = 296,698,686,581.12/806,270.58
  6. Step 6: Final answer
    x = 367,988.98

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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.