Home / 872,712.03-1,306,968.53-497,597.79

Finding the Fourth Proportional to 872,712.03, 1,306,968.53 and 497,597.79

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Solution

The fourth proportional to 872,712.03, 1,306,968.53 and 497,597.79 is: 745,199.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,712.03 : 1,306,968.53 = 497,597.79 : x
  2. Step 2: Convert to fraction form
    872,712.03/1,306,968.53 = 497,597.79/x
  3. Step 3: Cross multiply
    872,712.03x = 1,306,968.53 × 497,597.79
  4. Step 4: Simplify right side
    872,712.03x = 650,344,649,639.56
  5. Step 5: Solve for x
    x = 650,344,649,639.56/872,712.03
  6. Step 6: Final answer
    x = 745,199.59

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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.