Home / 883,421.60-1,325,132.40-292,445.60

Finding the Fourth Proportional to 883,421.60, 1,325,132.40 and 292,445.60

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Solution

The fourth proportional to 883,421.60, 1,325,132.40 and 292,445.60 is: 438,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,421.60 : 1,325,132.40 = 292,445.60 : x
  2. Step 2: Convert to fraction form
    883,421.60/1,325,132.40 = 292,445.60/x
  3. Step 3: Cross multiply
    883,421.60x = 1,325,132.40 × 292,445.60
  4. Step 4: Simplify right side
    883,421.60x = 387,529,139,797.44
  5. Step 5: Solve for x
    x = 387,529,139,797.44/883,421.60
  6. Step 6: Final answer
    x = 438,668.40

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Double scale
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Similar ratio
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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.