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Finding the Fourth Proportional to 567,547.42, 783,215.19 and 325,845.58

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Solution

The fourth proportional to 567,547.42, 783,215.19 and 325,845.58 is: 449,666.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,547.42 : 783,215.19 = 325,845.58 : x
  2. Step 2: Convert to fraction form
    567,547.42/783,215.19 = 325,845.58/x
  3. Step 3: Cross multiply
    567,547.42x = 783,215.19 × 325,845.58
  4. Step 4: Simplify right side
    567,547.42x = 255,207,207,850.36
  5. Step 5: Solve for x
    x = 255,207,207,850.36/567,547.42
  6. Step 6: Final answer
    x = 449,666.76

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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.