Home / 772,749.68-1,158,833.30-323,501.58

Finding the Fourth Proportional to 772,749.68, 1,158,833.30 and 323,501.58

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Solution

The fourth proportional to 772,749.68, 1,158,833.30 and 323,501.58 is: 485,130.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,749.68 : 1,158,833.30 = 323,501.58 : x
  2. Step 2: Convert to fraction form
    772,749.68/1,158,833.30 = 323,501.58/x
  3. Step 3: Cross multiply
    772,749.68x = 1,158,833.30 × 323,501.58
  4. Step 4: Simplify right side
    772,749.68x = 374,884,401,889.11
  5. Step 5: Solve for x
    x = 374,884,401,889.11/772,749.68
  6. Step 6: Final answer
    x = 485,130.46

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1.5x scale

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.