Home / 683,423.60-1,025,135.40-283,931.60

Finding the Fourth Proportional to 683,423.60, 1,025,135.40 and 283,931.60

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Solution

The fourth proportional to 683,423.60, 1,025,135.40 and 283,931.60 is: 425,897.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,423.60 : 1,025,135.40 = 283,931.60 : x
  2. Step 2: Convert to fraction form
    683,423.60/1,025,135.40 = 283,931.60/x
  3. Step 3: Cross multiply
    683,423.60x = 1,025,135.40 × 283,931.60
  4. Step 4: Simplify right side
    683,423.60x = 291,068,334,338.64
  5. Step 5: Solve for x
    x = 291,068,334,338.64/683,423.60
  6. Step 6: Final answer
    x = 425,897.40

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Half scale
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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.