Home / 762,251.94-1,051,900.51-418,080.87

Finding the Fourth Proportional to 762,251.94, 1,051,900.51 and 418,080.87

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Solution

The fourth proportional to 762,251.94, 1,051,900.51 and 418,080.87 is: 576,947.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,251.94 : 1,051,900.51 = 418,080.87 : x
  2. Step 2: Convert to fraction form
    762,251.94/1,051,900.51 = 418,080.87/x
  3. Step 3: Cross multiply
    762,251.94x = 1,051,900.51 × 418,080.87
  4. Step 4: Simplify right side
    762,251.94x = 439,779,480,374.24
  5. Step 5: Solve for x
    x = 439,779,480,374.24/762,251.94
  6. Step 6: Final answer
    x = 576,947.67

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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.