Home / 761,896.28-1,051,426.18-439,673.40

Finding the Fourth Proportional to 761,896.28, 1,051,426.18 and 439,673.40

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Solution

The fourth proportional to 761,896.28, 1,051,426.18 and 439,673.40 is: 606,754.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,896.28 : 1,051,426.18 = 439,673.40 : x
  2. Step 2: Convert to fraction form
    761,896.28/1,051,426.18 = 439,673.40/x
  3. Step 3: Cross multiply
    761,896.28x = 1,051,426.18 × 439,673.40
  4. Step 4: Simplify right side
    761,896.28x = 462,284,123,409.61
  5. Step 5: Solve for x
    x = 462,284,123,409.61/761,896.28
  6. Step 6: Final answer
    x = 606,754.67

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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.