Home / 898,847.70-1,348,271.55-426,455.70

Finding the Fourth Proportional to 898,847.70, 1,348,271.55 and 426,455.70

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Solution

The fourth proportional to 898,847.70, 1,348,271.55 and 426,455.70 is: 639,683.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,847.70 : 1,348,271.55 = 426,455.70 : x
  2. Step 2: Convert to fraction form
    898,847.70/1,348,271.55 = 426,455.70/x
  3. Step 3: Cross multiply
    898,847.70x = 1,348,271.55 × 426,455.70
  4. Step 4: Simplify right side
    898,847.70x = 574,978,087,645.34
  5. Step 5: Solve for x
    x = 574,978,087,645.34/898,847.70
  6. Step 6: Final answer
    x = 639,683.55

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Similar ratio
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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.