Home / 899,310.06-1,241,032.92-491,402.98

Finding the Fourth Proportional to 899,310.06, 1,241,032.92 and 491,402.98

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Solution

The fourth proportional to 899,310.06, 1,241,032.92 and 491,402.98 is: 678,127.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,310.06 : 1,241,032.92 = 491,402.98 : x
  2. Step 2: Convert to fraction form
    899,310.06/1,241,032.92 = 491,402.98/x
  3. Step 3: Cross multiply
    899,310.06x = 1,241,032.92 × 491,402.98
  4. Step 4: Simplify right side
    899,310.06x = 609,847,275,166.10
  5. Step 5: Solve for x
    x = 609,847,275,166.10/899,310.06
  6. Step 6: Final answer
    x = 678,127.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.