Home / 959,356.46-1,438,783.95-285,256.22

Finding the Fourth Proportional to 959,356.46, 1,438,783.95 and 285,256.22

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Solution

The fourth proportional to 959,356.46, 1,438,783.95 and 285,256.22 is: 427,809.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,356.46 : 1,438,783.95 = 285,256.22 : x
  2. Step 2: Convert to fraction form
    959,356.46/1,438,783.95 = 285,256.22/x
  3. Step 3: Cross multiply
    959,356.46x = 1,438,783.95 × 285,256.22
  4. Step 4: Simplify right side
    959,356.46x = 410,422,070,973.67
  5. Step 5: Solve for x
    x = 410,422,070,973.67/959,356.46
  6. Step 6: Final answer
    x = 427,809.77

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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.