Home / 948,835.93-1,423,255.23-387,870.43

Finding the Fourth Proportional to 948,835.93, 1,423,255.23 and 387,870.43

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Solution

The fourth proportional to 948,835.93, 1,423,255.23 and 387,870.43 is: 581,806.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,835.93 : 1,423,255.23 = 387,870.43 : x
  2. Step 2: Convert to fraction form
    948,835.93/1,423,255.23 = 387,870.43/x
  3. Step 3: Cross multiply
    948,835.93x = 1,423,255.23 × 387,870.43
  4. Step 4: Simplify right side
    948,835.93x = 552,038,618,059.85
  5. Step 5: Solve for x
    x = 552,038,618,059.85/948,835.93
  6. Step 6: Final answer
    x = 581,806.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.