Home / 797,985.90-1,197,756.45-399,077.10

Finding the Fourth Proportional to 797,985.90, 1,197,756.45 and 399,077.10

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Solution

The fourth proportional to 797,985.90, 1,197,756.45 and 399,077.10 is: 599,004.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,985.90 : 1,197,756.45 = 399,077.10 : x
  2. Step 2: Convert to fraction form
    797,985.90/1,197,756.45 = 399,077.10/x
  3. Step 3: Cross multiply
    797,985.90x = 1,197,756.45 × 399,077.10
  4. Step 4: Simplify right side
    797,985.90x = 477,997,170,572.30
  5. Step 5: Solve for x
    x = 477,997,170,572.30/797,985.90
  6. Step 6: Final answer
    x = 599,004.53

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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.