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Finding the Fourth Proportional to 556,884.56, 768,500.54 and 302,235.74

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Solution

The fourth proportional to 556,884.56, 768,500.54 and 302,235.74 is: 417,085.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,884.56 : 768,500.54 = 302,235.74 : x
  2. Step 2: Convert to fraction form
    556,884.56/768,500.54 = 302,235.74/x
  3. Step 3: Cross multiply
    556,884.56x = 768,500.54 × 302,235.74
  4. Step 4: Simplify right side
    556,884.56x = 232,268,329,397.30
  5. Step 5: Solve for x
    x = 232,268,329,397.30/556,884.56
  6. Step 6: Final answer
    x = 417,085.24

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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.