Home / 899,530.40-1,348,431.60-520,061.60

Finding the Fourth Proportional to 899,530.40, 1,348,431.60 and 520,061.60

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Solution

The fourth proportional to 899,530.40, 1,348,431.60 and 520,061.60 is: 779,592.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,530.40 : 1,348,431.60 = 520,061.60 : x
  2. Step 2: Convert to fraction form
    899,530.40/1,348,431.60 = 520,061.60/x
  3. Step 3: Cross multiply
    899,530.40x = 1,348,431.60 × 520,061.60
  4. Step 4: Simplify right side
    899,530.40x = 701,267,495,386.56
  5. Step 5: Solve for x
    x = 701,267,495,386.56/899,530.40
  6. Step 6: Final answer
    x = 779,592.88

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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.