Home / 930,313.20-1,283,999.40-548,317.20

Finding the Fourth Proportional to 930,313.20, 1,283,999.40 and 548,317.20

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Solution

The fourth proportional to 930,313.20, 1,283,999.40 and 548,317.20 is: 756,776.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,313.20 : 1,283,999.40 = 548,317.20 : x
  2. Step 2: Convert to fraction form
    930,313.20/1,283,999.40 = 548,317.20/x
  3. Step 3: Cross multiply
    930,313.20x = 1,283,999.40 × 548,317.20
  4. Step 4: Simplify right side
    930,313.20x = 704,038,955,809.68
  5. Step 5: Solve for x
    x = 704,038,955,809.68/930,313.20
  6. Step 6: Final answer
    x = 756,776.27

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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.