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Finding the Fourth Proportional to 567,953.36, 783,749.28 and 326,065.69

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Solution

The fourth proportional to 567,953.36, 783,749.28 and 326,065.69 is: 449,955.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,953.36 : 783,749.28 = 326,065.69 : x
  2. Step 2: Convert to fraction form
    567,953.36/783,749.28 = 326,065.69/x
  3. Step 3: Cross multiply
    567,953.36x = 783,749.28 × 326,065.69
  4. Step 4: Simplify right side
    567,953.36x = 255,553,749,770.20
  5. Step 5: Solve for x
    x = 255,553,749,770.20/567,953.36
  6. Step 6: Final answer
    x = 449,955.52

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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.