Home / 634,738.10-890,995.30-634,738.10

Finding the Fourth Proportional to 634,738.10, 890,995.30 and 634,738.10

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Solution

The fourth proportional to 634,738.10, 890,995.30 and 634,738.10 is: 890,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,738.10 : 890,995.30 = 634,738.10 : x
  2. Step 2: Convert to fraction form
    634,738.10/890,995.30 = 634,738.10/x
  3. Step 3: Cross multiply
    634,738.10x = 890,995.30 × 634,738.10
  4. Step 4: Simplify right side
    634,738.10x = 565,548,663,830.93
  5. Step 5: Solve for x
    x = 565,548,663,830.93/634,738.10
  6. Step 6: Final answer
    x = 890,995.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.