Home / 648,672.20-973,008.30-424,723.40

Finding the Fourth Proportional to 648,672.20, 973,008.30 and 424,723.40

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Solution

The fourth proportional to 648,672.20, 973,008.30 and 424,723.40 is: 637,085.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,672.20 : 973,008.30 = 424,723.40 : x
  2. Step 2: Convert to fraction form
    648,672.20/973,008.30 = 424,723.40/x
  3. Step 3: Cross multiply
    648,672.20x = 973,008.30 × 424,723.40
  4. Step 4: Simplify right side
    648,672.20x = 413,259,393,404.22
  5. Step 5: Solve for x
    x = 413,259,393,404.22/648,672.20
  6. Step 6: Final answer
    x = 637,085.10

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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.