Home / 670,824.80-1,003,612.80-434,628.80

Finding the Fourth Proportional to 670,824.80, 1,003,612.80 and 434,628.80

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Solution

The fourth proportional to 670,824.80, 1,003,612.80 and 434,628.80 is: 650,242.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,824.80 : 1,003,612.80 = 434,628.80 : x
  2. Step 2: Convert to fraction form
    670,824.80/1,003,612.80 = 434,628.80/x
  3. Step 3: Cross multiply
    670,824.80x = 1,003,612.80 × 434,628.80
  4. Step 4: Simplify right side
    670,824.80x = 436,199,026,928.64
  5. Step 5: Solve for x
    x = 436,199,026,928.64/670,824.80
  6. Step 6: Final answer
    x = 650,242.85

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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.