Home / 902,548.80-1,353,495.15-453,120.30

Finding the Fourth Proportional to 902,548.80, 1,353,495.15 and 453,120.30

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Solution

The fourth proportional to 902,548.80, 1,353,495.15 and 453,120.30 is: 679,515.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,548.80 : 1,353,495.15 = 453,120.30 : x
  2. Step 2: Convert to fraction form
    902,548.80/1,353,495.15 = 453,120.30/x
  3. Step 3: Cross multiply
    902,548.80x = 1,353,495.15 × 453,120.30
  4. Step 4: Simplify right side
    902,548.80x = 613,296,128,416.55
  5. Step 5: Solve for x
    x = 613,296,128,416.55/902,548.80
  6. Step 6: Final answer
    x = 679,515.75

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Double scale
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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.