Home / 690,200.19-1,033,898.85-348,432.57

Finding the Fourth Proportional to 690,200.19, 1,033,898.85 and 348,432.57

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Solution

The fourth proportional to 690,200.19, 1,033,898.85 and 348,432.57 is: 521,941.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,200.19 : 1,033,898.85 = 348,432.57 : x
  2. Step 2: Convert to fraction form
    690,200.19/1,033,898.85 = 348,432.57/x
  3. Step 3: Cross multiply
    690,200.19x = 1,033,898.85 × 348,432.57
  4. Step 4: Simplify right side
    690,200.19x = 360,244,033,425.55
  5. Step 5: Solve for x
    x = 360,244,033,425.55/690,200.19
  6. Step 6: Final answer
    x = 521,941.37

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1.5x scale

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.