Home / 762,017.36-1,051,643.40-422,551.76

Finding the Fourth Proportional to 762,017.36, 1,051,643.40 and 422,551.76

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Solution

The fourth proportional to 762,017.36, 1,051,643.40 and 422,551.76 is: 583,154.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,017.36 : 1,051,643.40 = 422,551.76 : x
  2. Step 2: Convert to fraction form
    762,017.36/1,051,643.40 = 422,551.76/x
  3. Step 3: Cross multiply
    762,017.36x = 1,051,643.40 × 422,551.76
  4. Step 4: Simplify right side
    762,017.36x = 444,373,769,562.38
  5. Step 5: Solve for x
    x = 444,373,769,562.38/762,017.36
  6. Step 6: Final answer
    x = 583,154.39

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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.