Home / 880,773.90-1,215,427.28-498,803.42

Finding the Fourth Proportional to 880,773.90, 1,215,427.28 and 498,803.42

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Solution

The fourth proportional to 880,773.90, 1,215,427.28 and 498,803.42 is: 688,325.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,773.90 : 1,215,427.28 = 498,803.42 : x
  2. Step 2: Convert to fraction form
    880,773.90/1,215,427.28 = 498,803.42/x
  3. Step 3: Cross multiply
    880,773.90x = 1,215,427.28 × 498,803.42
  4. Step 4: Simplify right side
    880,773.90x = 606,259,284,025.30
  5. Step 5: Solve for x
    x = 606,259,284,025.30/880,773.90
  6. Step 6: Final answer
    x = 688,325.67

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Double scale
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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.