Home / 690,059.70-952,310.25-384,148.62

Finding the Fourth Proportional to 690,059.70, 952,310.25 and 384,148.62

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Solution

The fourth proportional to 690,059.70, 952,310.25 and 384,148.62 is: 530,140.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,059.70 : 952,310.25 = 384,148.62 : x
  2. Step 2: Convert to fraction form
    690,059.70/952,310.25 = 384,148.62/x
  3. Step 3: Cross multiply
    690,059.70x = 952,310.25 × 384,148.62
  4. Step 4: Simplify right side
    690,059.70x = 365,828,668,349.36
  5. Step 5: Solve for x
    x = 365,828,668,349.36/690,059.70
  6. Step 6: Final answer
    x = 530,140.61

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1.5x scale

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.