Home / 811,493.52-1,119,840.84-448,937.52

Finding the Fourth Proportional to 811,493.52, 1,119,840.84 and 448,937.52

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Solution

The fourth proportional to 811,493.52, 1,119,840.84 and 448,937.52 is: 619,522.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,493.52 : 1,119,840.84 = 448,937.52 : x
  2. Step 2: Convert to fraction form
    811,493.52/1,119,840.84 = 448,937.52/x
  3. Step 3: Cross multiply
    811,493.52x = 1,119,840.84 × 448,937.52
  4. Step 4: Simplify right side
    811,493.52x = 502,738,569,504.32
  5. Step 5: Solve for x
    x = 502,738,569,504.32/811,493.52
  6. Step 6: Final answer
    x = 619,522.59

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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.