Home / 915,774.58-1,263,724.50-507,892.60

Finding the Fourth Proportional to 915,774.58, 1,263,724.50 and 507,892.60

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Solution

The fourth proportional to 915,774.58, 1,263,724.50 and 507,892.60 is: 700,867.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,774.58 : 1,263,724.50 = 507,892.60 : x
  2. Step 2: Convert to fraction form
    915,774.58/1,263,724.50 = 507,892.60/x
  3. Step 3: Cross multiply
    915,774.58x = 1,263,724.50 × 507,892.60
  4. Step 4: Simplify right side
    915,774.58x = 641,836,321,988.70
  5. Step 5: Solve for x
    x = 641,836,321,988.70/915,774.58
  6. Step 6: Final answer
    x = 700,867.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.