Home / 557,945.93-770,049.50-340,280.94

Finding the Fourth Proportional to 557,945.93, 770,049.50 and 340,280.94

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Solution

The fourth proportional to 557,945.93, 770,049.50 and 340,280.94 is: 469,639.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,945.93 : 770,049.50 = 340,280.94 : x
  2. Step 2: Convert to fraction form
    557,945.93/770,049.50 = 340,280.94/x
  3. Step 3: Cross multiply
    557,945.93x = 770,049.50 × 340,280.94
  4. Step 4: Simplify right side
    557,945.93x = 262,033,170,806.89
  5. Step 5: Solve for x
    x = 262,033,170,806.89/557,945.93
  6. Step 6: Final answer
    x = 469,639.01

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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.