Home / 434,582.34-651,740.07-300,507.87

Finding the Fourth Proportional to 434,582.34, 651,740.07 and 300,507.87

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Solution

The fourth proportional to 434,582.34, 651,740.07 and 300,507.87 is: 450,669.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,582.34 : 651,740.07 = 300,507.87 : x
  2. Step 2: Convert to fraction form
    434,582.34/651,740.07 = 300,507.87/x
  3. Step 3: Cross multiply
    434,582.34x = 651,740.07 × 300,507.87
  4. Step 4: Simplify right side
    434,582.34x = 195,853,020,229.35
  5. Step 5: Solve for x
    x = 195,853,020,229.35/434,582.34
  6. Step 6: Final answer
    x = 450,669.53

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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.