Home / 533,742.10-736,491.35-318,836.54

Finding the Fourth Proportional to 533,742.10, 736,491.35 and 318,836.54

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Solution

The fourth proportional to 533,742.10, 736,491.35 and 318,836.54 is: 439,950.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,742.10 : 736,491.35 = 318,836.54 : x
  2. Step 2: Convert to fraction form
    533,742.10/736,491.35 = 318,836.54/x
  3. Step 3: Cross multiply
    533,742.10x = 736,491.35 × 318,836.54
  4. Step 4: Simplify right side
    533,742.10x = 234,820,356,412.25
  5. Step 5: Solve for x
    x = 234,820,356,412.25/533,742.10
  6. Step 6: Final answer
    x = 439,950.98

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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.