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Finding the Fourth Proportional to 672,090.57, 927,484.47 and 370,284.57

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Solution

The fourth proportional to 672,090.57, 927,484.47 and 370,284.57 is: 510,992.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,090.57 : 927,484.47 = 370,284.57 : x
  2. Step 2: Convert to fraction form
    672,090.57/927,484.47 = 370,284.57/x
  3. Step 3: Cross multiply
    672,090.57x = 927,484.47 × 370,284.57
  4. Step 4: Simplify right side
    672,090.57x = 343,433,188,155.63
  5. Step 5: Solve for x
    x = 343,433,188,155.63/672,090.57
  6. Step 6: Final answer
    x = 510,992.42

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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.