Home / 658,339.79-908,582.79-371,878.33

Finding the Fourth Proportional to 658,339.79, 908,582.79 and 371,878.33

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Solution

The fourth proportional to 658,339.79, 908,582.79 and 371,878.33 is: 513,233.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,339.79 : 908,582.79 = 371,878.33 : x
  2. Step 2: Convert to fraction form
    658,339.79/908,582.79 = 371,878.33/x
  3. Step 3: Cross multiply
    658,339.79x = 908,582.79 × 371,878.33
  4. Step 4: Simplify right side
    658,339.79x = 337,882,249,735.03
  5. Step 5: Solve for x
    x = 337,882,249,735.03/658,339.79
  6. Step 6: Final answer
    x = 513,233.83

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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.