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Finding the Fourth Proportional to 934,240, 1,289,256.32 and 510,304

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Solution

The fourth proportional to 934,240, 1,289,256.32 and 510,304 is: 704,222.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,240 : 1,289,256.32 = 510,304 : x
  2. Step 2: Convert to fraction form
    934,240/1,289,256.32 = 510,304/x
  3. Step 3: Cross multiply
    934,240x = 1,289,256.32 × 510,304
  4. Step 4: Simplify right side
    934,240x = 657,912,657,121.28
  5. Step 5: Solve for x
    x = 657,912,657,121.28/934,240
  6. Step 6: Final answer
    x = 704,222.32

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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.