Home / 648,682.20-973,023.30-424,733.40

Finding the Fourth Proportional to 648,682.20, 973,023.30 and 424,733.40

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Solution

The fourth proportional to 648,682.20, 973,023.30 and 424,733.40 is: 637,100.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,682.20 : 973,023.30 = 424,733.40 : x
  2. Step 2: Convert to fraction form
    648,682.20/973,023.30 = 424,733.40/x
  3. Step 3: Cross multiply
    648,682.20x = 973,023.30 × 424,733.40
  4. Step 4: Simplify right side
    648,682.20x = 413,275,494,488.22
  5. Step 5: Solve for x
    x = 413,275,494,488.22/648,682.20
  6. Step 6: Final answer
    x = 637,100.10

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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.