Home / 705,334.02-1,057,859.58-345,349.77

Finding the Fourth Proportional to 705,334.02, 1,057,859.58 and 345,349.77

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Solution

The fourth proportional to 705,334.02, 1,057,859.58 and 345,349.77 is: 517,955.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,334.02 : 1,057,859.58 = 345,349.77 : x
  2. Step 2: Convert to fraction form
    705,334.02/1,057,859.58 = 345,349.77/x
  3. Step 3: Cross multiply
    705,334.02x = 1,057,859.58 × 345,349.77
  4. Step 4: Simplify right side
    705,334.02x = 365,331,562,645.30
  5. Step 5: Solve for x
    x = 365,331,562,645.30/705,334.02
  6. Step 6: Final answer
    x = 517,955.40

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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.