Home / 680,035.17-1,020,053.45-253,564.48

Finding the Fourth Proportional to 680,035.17, 1,020,053.45 and 253,564.48

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Solution

The fourth proportional to 680,035.17, 1,020,053.45 and 253,564.48 is: 380,346.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,035.17 : 1,020,053.45 = 253,564.48 : x
  2. Step 2: Convert to fraction form
    680,035.17/1,020,053.45 = 253,564.48/x
  3. Step 3: Cross multiply
    680,035.17x = 1,020,053.45 × 253,564.48
  4. Step 4: Simplify right side
    680,035.17x = 258,649,318,803.50
  5. Step 5: Solve for x
    x = 258,649,318,803.50/680,035.17
  6. Step 6: Final answer
    x = 380,346.97

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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.