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Finding the Fourth Proportional to 654,828, 903,526.56 and 382,842.56

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Solution

The fourth proportional to 654,828, 903,526.56 and 382,842.56 is: 528,243.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,828 : 903,526.56 = 382,842.56 : x
  2. Step 2: Convert to fraction form
    654,828/903,526.56 = 382,842.56/x
  3. Step 3: Cross multiply
    654,828x = 903,526.56 × 382,842.56
  4. Step 4: Simplify right side
    654,828x = 345,908,416,740.76
  5. Step 5: Solve for x
    x = 345,908,416,740.76/654,828
  6. Step 6: Final answer
    x = 528,243.17

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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.