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Finding the Fourth Proportional to 633,456.80, 948,802.80 and 492,106.40

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Solution

The fourth proportional to 633,456.80, 948,802.80 and 492,106.40 is: 737,085.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,456.80 : 948,802.80 = 492,106.40 : x
  2. Step 2: Convert to fraction form
    633,456.80/948,802.80 = 492,106.40/x
  3. Step 3: Cross multiply
    633,456.80x = 948,802.80 × 492,106.40
  4. Step 4: Simplify right side
    633,456.80x = 466,911,930,217.92
  5. Step 5: Solve for x
    x = 466,911,930,217.92/633,456.80
  6. Step 6: Final answer
    x = 737,085.67

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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.