Home / 716,427.87-988,811.76-410,709.54

Finding the Fourth Proportional to 716,427.87, 988,811.76 and 410,709.54

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Solution

The fourth proportional to 716,427.87, 988,811.76 and 410,709.54 is: 566,860.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,427.87 : 988,811.76 = 410,709.54 : x
  2. Step 2: Convert to fraction form
    716,427.87/988,811.76 = 410,709.54/x
  3. Step 3: Cross multiply
    716,427.87x = 988,811.76 × 410,709.54
  4. Step 4: Simplify right side
    716,427.87x = 406,114,423,096.19
  5. Step 5: Solve for x
    x = 406,114,423,096.19/716,427.87
  6. Step 6: Final answer
    x = 566,860.17

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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.