Home / 820,271.59-1,131,888.87-452,741.96

Finding the Fourth Proportional to 820,271.59, 1,131,888.87 and 452,741.96

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Solution

The fourth proportional to 820,271.59, 1,131,888.87 and 452,741.96 is: 624,736.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,271.59 : 1,131,888.87 = 452,741.96 : x
  2. Step 2: Convert to fraction form
    820,271.59/1,131,888.87 = 452,741.96/x
  3. Step 3: Cross multiply
    820,271.59x = 1,131,888.87 × 452,741.96
  4. Step 4: Simplify right side
    820,271.59x = 512,453,588,335.71
  5. Step 5: Solve for x
    x = 512,453,588,335.71/820,271.59
  6. Step 6: Final answer
    x = 624,736.49

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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.