Home / 738,404.40-1,107,606.60-551,780.40

Finding the Fourth Proportional to 738,404.40, 1,107,606.60 and 551,780.40

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Solution

The fourth proportional to 738,404.40, 1,107,606.60 and 551,780.40 is: 827,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,404.40 : 1,107,606.60 = 551,780.40 : x
  2. Step 2: Convert to fraction form
    738,404.40/1,107,606.60 = 551,780.40/x
  3. Step 3: Cross multiply
    738,404.40x = 1,107,606.60 × 551,780.40
  4. Step 4: Simplify right side
    738,404.40x = 611,155,612,790.64
  5. Step 5: Solve for x
    x = 611,155,612,790.64/738,404.40
  6. Step 6: Final answer
    x = 827,670.60

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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.