Home / 902,890.13-1,354,800.82-423,166.67

Finding the Fourth Proportional to 902,890.13, 1,354,800.82 and 423,166.67

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Solution

The fourth proportional to 902,890.13, 1,354,800.82 and 423,166.67 is: 634,968.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,890.13 : 1,354,800.82 = 423,166.67 : x
  2. Step 2: Convert to fraction form
    902,890.13/1,354,800.82 = 423,166.67/x
  3. Step 3: Cross multiply
    902,890.13x = 1,354,800.82 × 423,166.67
  4. Step 4: Simplify right side
    902,890.13x = 573,306,543,680.75
  5. Step 5: Solve for x
    x = 573,306,543,680.75/902,890.13
  6. Step 6: Final answer
    x = 634,968.23

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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.