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Finding the Fourth Proportional to 499,011.03, 688,713.03 and 317,801.07

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Solution

The fourth proportional to 499,011.03, 688,713.03 and 317,801.07 is: 438,615.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,011.03 : 688,713.03 = 317,801.07 : x
  2. Step 2: Convert to fraction form
    499,011.03/688,713.03 = 317,801.07/x
  3. Step 3: Cross multiply
    499,011.03x = 688,713.03 × 317,801.07
  4. Step 4: Simplify right side
    499,011.03x = 218,873,737,856.94
  5. Step 5: Solve for x
    x = 218,873,737,856.94/499,011.03
  6. Step 6: Final answer
    x = 438,615.03

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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.