Home / 899,561.40-1,348,478.10-520,092.60

Finding the Fourth Proportional to 899,561.40, 1,348,478.10 and 520,092.60

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Solution

The fourth proportional to 899,561.40, 1,348,478.10 and 520,092.60 is: 779,639.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,561.40 : 1,348,478.10 = 520,092.60 : x
  2. Step 2: Convert to fraction form
    899,561.40/1,348,478.10 = 520,092.60/x
  3. Step 3: Cross multiply
    899,561.40x = 1,348,478.10 × 520,092.60
  4. Step 4: Simplify right side
    899,561.40x = 701,333,481,072.06
  5. Step 5: Solve for x
    x = 701,333,481,072.06/899,561.40
  6. Step 6: Final answer
    x = 779,639.37

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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.