Home / 953,694.86-1,430,256.95-313,880.49

Finding the Fourth Proportional to 953,694.86, 1,430,256.95 and 313,880.49

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Solution

The fourth proportional to 953,694.86, 1,430,256.95 and 313,880.49 is: 470,726.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,694.86 : 1,430,256.95 = 313,880.49 : x
  2. Step 2: Convert to fraction form
    953,694.86/1,430,256.95 = 313,880.49/x
  3. Step 3: Cross multiply
    953,694.86x = 1,430,256.95 × 313,880.49
  4. Step 4: Simplify right side
    953,694.86x = 448,929,751,899.56
  5. Step 5: Solve for x
    x = 448,929,751,899.56/953,694.86
  6. Step 6: Final answer
    x = 470,726.83

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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.