Home / 784,989.20-1,178,002.20-448,029.20

Finding the Fourth Proportional to 784,989.20, 1,178,002.20 and 448,029.20

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Solution

The fourth proportional to 784,989.20, 1,178,002.20 and 448,029.20 is: 672,339.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,989.20 : 1,178,002.20 = 448,029.20 : x
  2. Step 2: Convert to fraction form
    784,989.20/1,178,002.20 = 448,029.20/x
  3. Step 3: Cross multiply
    784,989.20x = 1,178,002.20 × 448,029.20
  4. Step 4: Simplify right side
    784,989.20x = 527,779,383,264.24
  5. Step 5: Solve for x
    x = 527,779,383,264.24/784,989.20
  6. Step 6: Final answer
    x = 672,339.67

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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.