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Finding the Fourth Proportional to 857,703, 1,182,855.24 and 535,442.88

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Solution

The fourth proportional to 857,703, 1,182,855.24 and 535,442.88 is: 738,427.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,703 : 1,182,855.24 = 535,442.88 : x
  2. Step 2: Convert to fraction form
    857,703/1,182,855.24 = 535,442.88/x
  3. Step 3: Cross multiply
    857,703x = 1,182,855.24 × 535,442.88
  4. Step 4: Simplify right side
    857,703x = 633,351,416,328.69
  5. Step 5: Solve for x
    x = 633,351,416,328.69/857,703
  6. Step 6: Final answer
    x = 738,427.42

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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.