Home / 604,923.46-906,860.28-305,153.80

Finding the Fourth Proportional to 604,923.46, 906,860.28 and 305,153.80

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Solution

The fourth proportional to 604,923.46, 906,860.28 and 305,153.80 is: 457,465.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,923.46 : 906,860.28 = 305,153.80 : x
  2. Step 2: Convert to fraction form
    604,923.46/906,860.28 = 305,153.80/x
  3. Step 3: Cross multiply
    604,923.46x = 906,860.28 × 305,153.80
  4. Step 4: Simplify right side
    604,923.46x = 276,731,860,511.06
  5. Step 5: Solve for x
    x = 276,731,860,511.06/604,923.46
  6. Step 6: Final answer
    x = 457,465.91

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1.5x scale

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.