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Finding the Fourth Proportional to 502,852.07, 753,448.57 and 289,798.93

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Solution

The fourth proportional to 502,852.07, 753,448.57 and 289,798.93 is: 434,220.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,852.07 : 753,448.57 = 289,798.93 : x
  2. Step 2: Convert to fraction form
    502,852.07/753,448.57 = 289,798.93/x
  3. Step 3: Cross multiply
    502,852.07x = 753,448.57 × 289,798.93
  4. Step 4: Simplify right side
    502,852.07x = 218,348,589,396.03
  5. Step 5: Solve for x
    x = 218,348,589,396.03/502,852.07
  6. Step 6: Final answer
    x = 434,220.33

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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.