Home / 648,011.20-971,725.20-248,519.20

Finding the Fourth Proportional to 648,011.20, 971,725.20 and 248,519.20

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Solution

The fourth proportional to 648,011.20, 971,725.20 and 248,519.20 is: 372,666.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,011.20 : 971,725.20 = 248,519.20 : x
  2. Step 2: Convert to fraction form
    648,011.20/971,725.20 = 248,519.20/x
  3. Step 3: Cross multiply
    648,011.20x = 971,725.20 × 248,519.20
  4. Step 4: Simplify right side
    648,011.20x = 241,492,369,323.84
  5. Step 5: Solve for x
    x = 241,492,369,323.84/648,011.20
  6. Step 6: Final answer
    x = 372,666.97

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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.