Home / 610,119.69-913,988.31-289,815.77

Finding the Fourth Proportional to 610,119.69, 913,988.31 and 289,815.77

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Solution

The fourth proportional to 610,119.69, 913,988.31 and 289,815.77 is: 434,157.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,119.69 : 913,988.31 = 289,815.77 : x
  2. Step 2: Convert to fraction form
    610,119.69/913,988.31 = 289,815.77/x
  3. Step 3: Cross multiply
    610,119.69x = 913,988.31 × 289,815.77
  4. Step 4: Simplify right side
    610,119.69x = 264,888,227,031.81
  5. Step 5: Solve for x
    x = 264,888,227,031.81/610,119.69
  6. Step 6: Final answer
    x = 434,157.81

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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.