Home / 497,226.48-686,222.10-303,623.52

Finding the Fourth Proportional to 497,226.48, 686,222.10 and 303,623.52

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Solution

The fourth proportional to 497,226.48, 686,222.10 and 303,623.52 is: 419,030.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,226.48 : 686,222.10 = 303,623.52 : x
  2. Step 2: Convert to fraction form
    497,226.48/686,222.10 = 303,623.52/x
  3. Step 3: Cross multiply
    497,226.48x = 686,222.10 × 303,623.52
  4. Step 4: Simplify right side
    497,226.48x = 208,353,169,503.79
  5. Step 5: Solve for x
    x = 208,353,169,503.79/497,226.48
  6. Step 6: Final answer
    x = 419,030.72

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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.