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Finding the Fourth Proportional to 556,555.46, 768,048.48 and 301,908.47

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Solution

The fourth proportional to 556,555.46, 768,048.48 and 301,908.47 is: 416,634.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,555.46 : 768,048.48 = 301,908.47 : x
  2. Step 2: Convert to fraction form
    556,555.46/768,048.48 = 301,908.47/x
  3. Step 3: Cross multiply
    556,555.46x = 768,048.48 × 301,908.47
  4. Step 4: Simplify right side
    556,555.46x = 231,880,337,642.38
  5. Step 5: Solve for x
    x = 231,880,337,642.38/556,555.46
  6. Step 6: Final answer
    x = 416,634.74

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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.