Home / 698,420.16-1,047,625.92-199,784.16

Finding the Fourth Proportional to 698,420.16, 1,047,625.92 and 199,784.16

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Solution

The fourth proportional to 698,420.16, 1,047,625.92 and 199,784.16 is: 299,675.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,420.16 : 1,047,625.92 = 199,784.16 : x
  2. Step 2: Convert to fraction form
    698,420.16/1,047,625.92 = 199,784.16/x
  3. Step 3: Cross multiply
    698,420.16x = 1,047,625.92 × 199,784.16
  4. Step 4: Simplify right side
    698,420.16x = 209,299,064,421.43
  5. Step 5: Solve for x
    x = 209,299,064,421.43/698,420.16
  6. Step 6: Final answer
    x = 299,675.00

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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.