Home / 787,353.48-1,179,254.58-365,742.12

Finding the Fourth Proportional to 787,353.48, 1,179,254.58 and 365,742.12

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Solution

The fourth proportional to 787,353.48, 1,179,254.58 and 365,742.12 is: 547,788.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,353.48 : 1,179,254.58 = 365,742.12 : x
  2. Step 2: Convert to fraction form
    787,353.48/1,179,254.58 = 365,742.12/x
  3. Step 3: Cross multiply
    787,353.48x = 1,179,254.58 × 365,742.12
  4. Step 4: Simplify right side
    787,353.48x = 431,303,070,108.91
  5. Step 5: Solve for x
    x = 431,303,070,108.91/787,353.48
  6. Step 6: Final answer
    x = 547,788.36

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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.