Home / 493,622.80-740,434.20-283,087.60

Finding the Fourth Proportional to 493,622.80, 740,434.20 and 283,087.60

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Solution

The fourth proportional to 493,622.80, 740,434.20 and 283,087.60 is: 424,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,622.80 : 740,434.20 = 283,087.60 : x
  2. Step 2: Convert to fraction form
    493,622.80/740,434.20 = 283,087.60/x
  3. Step 3: Cross multiply
    493,622.80x = 740,434.20 × 283,087.60
  4. Step 4: Simplify right side
    493,622.80x = 209,607,740,635.92
  5. Step 5: Solve for x
    x = 209,607,740,635.92/493,622.80
  6. Step 6: Final answer
    x = 424,631.40

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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.