Home / 649,329.04-974,342.40-316,905.04

Finding the Fourth Proportional to 649,329.04, 974,342.40 and 316,905.04

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Solution

The fourth proportional to 649,329.04, 974,342.40 and 316,905.04 is: 475,527.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,329.04 : 974,342.40 = 316,905.04 : x
  2. Step 2: Convert to fraction form
    649,329.04/974,342.40 = 316,905.04/x
  3. Step 3: Cross multiply
    649,329.04x = 974,342.40 × 316,905.04
  4. Step 4: Simplify right side
    649,329.04x = 308,774,017,245.70
  5. Step 5: Solve for x
    x = 308,774,017,245.70/649,329.04
  6. Step 6: Final answer
    x = 475,527.81

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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.