Home / 772,908.80-1,159,363.20-353,004.80

Finding the Fourth Proportional to 772,908.80, 1,159,363.20 and 353,004.80

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Solution

The fourth proportional to 772,908.80, 1,159,363.20 and 353,004.80 is: 529,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,908.80 : 1,159,363.20 = 353,004.80 : x
  2. Step 2: Convert to fraction form
    772,908.80/1,159,363.20 = 353,004.80/x
  3. Step 3: Cross multiply
    772,908.80x = 1,159,363.20 × 353,004.80
  4. Step 4: Simplify right side
    772,908.80x = 409,260,774,543.36
  5. Step 5: Solve for x
    x = 409,260,774,543.36/772,908.80
  6. Step 6: Final answer
    x = 529,507.20

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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.