Home / 953,403.04-1,430,103.30-243,431.20

Finding the Fourth Proportional to 953,403.04, 1,430,103.30 and 243,431.20

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Solution

The fourth proportional to 953,403.04, 1,430,103.30 and 243,431.20 is: 365,146.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,403.04 : 1,430,103.30 = 243,431.20 : x
  2. Step 2: Convert to fraction form
    953,403.04/1,430,103.30 = 243,431.20/x
  3. Step 3: Cross multiply
    953,403.04x = 1,430,103.30 × 243,431.20
  4. Step 4: Simplify right side
    953,403.04x = 348,131,762,442.96
  5. Step 5: Solve for x
    x = 348,131,762,442.96/953,403.04
  6. Step 6: Final answer
    x = 365,146.48

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Double scale
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Similar ratio
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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.