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Finding the Fourth Proportional to 647,265.34, 893,256.42 and 360,787.51

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Solution

The fourth proportional to 647,265.34, 893,256.42 and 360,787.51 is: 497,903.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,265.34 : 893,256.42 = 360,787.51 : x
  2. Step 2: Convert to fraction form
    647,265.34/893,256.42 = 360,787.51/x
  3. Step 3: Cross multiply
    647,265.34x = 893,256.42 × 360,787.51
  4. Step 4: Simplify right side
    647,265.34x = 322,275,759,563.31
  5. Step 5: Solve for x
    x = 322,275,759,563.31/647,265.34
  6. Step 6: Final answer
    x = 497,903.63

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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.