Home / 902,739.90-1,354,109.61-369,897.18

Finding the Fourth Proportional to 902,739.90, 1,354,109.61 and 369,897.18

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Solution

The fourth proportional to 902,739.90, 1,354,109.61 and 369,897.18 is: 554,845.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,739.90 : 1,354,109.61 = 369,897.18 : x
  2. Step 2: Convert to fraction form
    902,739.90/1,354,109.61 = 369,897.18/x
  3. Step 3: Cross multiply
    902,739.90x = 1,354,109.61 × 369,897.18
  4. Step 4: Simplify right side
    902,739.90x = 500,881,326,149.90
  5. Step 5: Solve for x
    x = 500,881,326,149.90/902,739.90
  6. Step 6: Final answer
    x = 554,845.67

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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.