Home / 457,329.49-682,731.57-426,937.64

Finding the Fourth Proportional to 457,329.49, 682,731.57 and 426,937.64

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Solution

The fourth proportional to 457,329.49, 682,731.57 and 426,937.64 is: 637,360.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,329.49 : 682,731.57 = 426,937.64 : x
  2. Step 2: Convert to fraction form
    457,329.49/682,731.57 = 426,937.64/x
  3. Step 3: Cross multiply
    457,329.49x = 682,731.57 × 426,937.64
  4. Step 4: Simplify right side
    457,329.49x = 291,483,803,436.65
  5. Step 5: Solve for x
    x = 291,483,803,436.65/457,329.49
  6. Step 6: Final answer
    x = 637,360.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.