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Finding the Fourth Proportional to 672,659.66, 928,269.80 and 366,736.02

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Solution

The fourth proportional to 672,659.66, 928,269.80 and 366,736.02 is: 506,095.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,659.66 : 928,269.80 = 366,736.02 : x
  2. Step 2: Convert to fraction form
    672,659.66/928,269.80 = 366,736.02/x
  3. Step 3: Cross multiply
    672,659.66x = 928,269.80 × 366,736.02
  4. Step 4: Simplify right side
    672,659.66x = 340,429,971,938.20
  5. Step 5: Solve for x
    x = 340,429,971,938.20/672,659.66
  6. Step 6: Final answer
    x = 506,095.42

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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.