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Finding the Fourth Proportional to 675,394.77, 932,037.51 and 369,477.21

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Solution

The fourth proportional to 675,394.77, 932,037.51 and 369,477.21 is: 509,874.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,394.77 : 932,037.51 = 369,477.21 : x
  2. Step 2: Convert to fraction form
    675,394.77/932,037.51 = 369,477.21/x
  3. Step 3: Cross multiply
    675,394.77x = 932,037.51 × 369,477.21
  4. Step 4: Simplify right side
    675,394.77x = 344,366,618,810.15
  5. Step 5: Solve for x
    x = 344,366,618,810.15/675,394.77
  6. Step 6: Final answer
    x = 509,874.57

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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.