Home / 935,006.48-1,290,309.36-505,286.48

Finding the Fourth Proportional to 935,006.48, 1,290,309.36 and 505,286.48

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Solution

The fourth proportional to 935,006.48, 1,290,309.36 and 505,286.48 is: 697,295.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,006.48 : 1,290,309.36 = 505,286.48 : x
  2. Step 2: Convert to fraction form
    935,006.48/1,290,309.36 = 505,286.48/x
  3. Step 3: Cross multiply
    935,006.48x = 1,290,309.36 × 505,286.48
  4. Step 4: Simplify right side
    935,006.48x = 651,975,874,625.45
  5. Step 5: Solve for x
    x = 651,975,874,625.45/935,006.48
  6. Step 6: Final answer
    x = 697,295.57

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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.