Home / 883,670.40-1,325,505.60-434,460.60

Finding the Fourth Proportional to 883,670.40, 1,325,505.60 and 434,460.60

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Solution

The fourth proportional to 883,670.40, 1,325,505.60 and 434,460.60 is: 651,690.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,670.40 : 1,325,505.60 = 434,460.60 : x
  2. Step 2: Convert to fraction form
    883,670.40/1,325,505.60 = 434,460.60/x
  3. Step 3: Cross multiply
    883,670.40x = 1,325,505.60 × 434,460.60
  4. Step 4: Simplify right side
    883,670.40x = 575,879,958,279.36
  5. Step 5: Solve for x
    x = 575,879,958,279.36/883,670.40
  6. Step 6: Final answer
    x = 651,690.90

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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.