Home / 771,404.12-1,157,410.76-238,966.67

Finding the Fourth Proportional to 771,404.12, 1,157,410.76 and 238,966.67

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Solution

The fourth proportional to 771,404.12, 1,157,410.76 and 238,966.67 is: 358,544.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,404.12 : 1,157,410.76 = 238,966.67 : x
  2. Step 2: Convert to fraction form
    771,404.12/1,157,410.76 = 238,966.67/x
  3. Step 3: Cross multiply
    771,404.12x = 1,157,410.76 × 238,966.67
  4. Step 4: Simplify right side
    771,404.12x = 276,582,595,139.37
  5. Step 5: Solve for x
    x = 276,582,595,139.37/771,404.12
  6. Step 6: Final answer
    x = 358,544.36

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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.