Home / 976,103.60-1,464,155.40-345,012.40

Finding the Fourth Proportional to 976,103.60, 1,464,155.40 and 345,012.40

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Solution

The fourth proportional to 976,103.60, 1,464,155.40 and 345,012.40 is: 517,518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,103.60 : 1,464,155.40 = 345,012.40 : x
  2. Step 2: Convert to fraction form
    976,103.60/1,464,155.40 = 345,012.40/x
  3. Step 3: Cross multiply
    976,103.60x = 1,464,155.40 × 345,012.40
  4. Step 4: Simplify right side
    976,103.60x = 505,151,768,526.96
  5. Step 5: Solve for x
    x = 505,151,768,526.96/976,103.60
  6. Step 6: Final answer
    x = 517,518.60

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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.