Home / 648,403.70-971,914.35-248,890.10

Finding the Fourth Proportional to 648,403.70, 971,914.35 and 248,890.10

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Solution

The fourth proportional to 648,403.70, 971,914.35 and 248,890.10 is: 373,069.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,403.70 : 971,914.35 = 248,890.10 : x
  2. Step 2: Convert to fraction form
    648,403.70/971,914.35 = 248,890.10/x
  3. Step 3: Cross multiply
    648,403.70x = 971,914.35 × 248,890.10
  4. Step 4: Simplify right side
    648,403.70x = 241,899,859,762.94
  5. Step 5: Solve for x
    x = 241,899,859,762.94/648,403.70
  6. Step 6: Final answer
    x = 373,069.83

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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.