Home / 457,337.86-682,744.07-426,946.01

Finding the Fourth Proportional to 457,337.86, 682,744.07 and 426,946.01

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Solution

The fourth proportional to 457,337.86, 682,744.07 and 426,946.01 is: 637,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,337.86 : 682,744.07 = 426,946.01 : x
  2. Step 2: Convert to fraction form
    457,337.86/682,744.07 = 426,946.01/x
  3. Step 3: Cross multiply
    457,337.86x = 682,744.07 × 426,946.01
  4. Step 4: Simplify right side
    457,337.86x = 291,494,850,989.21
  5. Step 5: Solve for x
    x = 291,494,850,989.21/457,337.86
  6. Step 6: Final answer
    x = 637,373.10

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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.