Home / 869,062.40-1,303,593.60-495,814.40

Finding the Fourth Proportional to 869,062.40, 1,303,593.60 and 495,814.40

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Solution

The fourth proportional to 869,062.40, 1,303,593.60 and 495,814.40 is: 743,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,062.40 : 1,303,593.60 = 495,814.40 : x
  2. Step 2: Convert to fraction form
    869,062.40/1,303,593.60 = 495,814.40/x
  3. Step 3: Cross multiply
    869,062.40x = 1,303,593.60 × 495,814.40
  4. Step 4: Simplify right side
    869,062.40x = 646,340,478,627.84
  5. Step 5: Solve for x
    x = 646,340,478,627.84/869,062.40
  6. Step 6: Final answer
    x = 743,721.60

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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.