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Finding the Fourth Proportional to 637,268.34, 879,430.14 and 350,787

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Solution

The fourth proportional to 637,268.34, 879,430.14 and 350,787 is: 484,085.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,268.34 : 879,430.14 = 350,787 : x
  2. Step 2: Convert to fraction form
    637,268.34/879,430.14 = 350,787/x
  3. Step 3: Cross multiply
    637,268.34x = 879,430.14 × 350,787
  4. Step 4: Simplify right side
    637,268.34x = 308,492,660,520.18
  5. Step 5: Solve for x
    x = 308,492,660,520.18/637,268.34
  6. Step 6: Final answer
    x = 484,085.97

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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.