Home / 584,459.10-876,688.65-318,738.60

Finding the Fourth Proportional to 584,459.10, 876,688.65 and 318,738.60

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Solution

The fourth proportional to 584,459.10, 876,688.65 and 318,738.60 is: 478,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,459.10 : 876,688.65 = 318,738.60 : x
  2. Step 2: Convert to fraction form
    584,459.10/876,688.65 = 318,738.60/x
  3. Step 3: Cross multiply
    584,459.10x = 876,688.65 × 318,738.60
  4. Step 4: Simplify right side
    584,459.10x = 279,434,512,936.89
  5. Step 5: Solve for x
    x = 279,434,512,936.89/584,459.10
  6. Step 6: Final answer
    x = 478,107.90

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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.