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Finding the Fourth Proportional to 672,011.07, 927,374.87 and 370,205.07

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Solution

The fourth proportional to 672,011.07, 927,374.87 and 370,205.07 is: 510,882.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,011.07 : 927,374.87 = 370,205.07 : x
  2. Step 2: Convert to fraction form
    672,011.07/927,374.87 = 370,205.07/x
  3. Step 3: Cross multiply
    672,011.07x = 927,374.87 × 370,205.07
  4. Step 4: Simplify right side
    672,011.07x = 343,318,876,813.57
  5. Step 5: Solve for x
    x = 343,318,876,813.57/672,011.07
  6. Step 6: Final answer
    x = 510,882.77

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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.