Home / 824,674.88-1,138,023.80-457,136.58

Finding the Fourth Proportional to 824,674.88, 1,138,023.80 and 457,136.58

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Solution

The fourth proportional to 824,674.88, 1,138,023.80 and 457,136.58 is: 630,833.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,674.88 : 1,138,023.80 = 457,136.58 : x
  2. Step 2: Convert to fraction form
    824,674.88/1,138,023.80 = 457,136.58/x
  3. Step 3: Cross multiply
    824,674.88x = 1,138,023.80 × 457,136.58
  4. Step 4: Simplify right side
    824,674.88x = 520,232,307,890.60
  5. Step 5: Solve for x
    x = 520,232,307,890.60/824,674.88
  6. Step 6: Final answer
    x = 630,833.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.