Home / 961,780.62-1,327,271.22-553,955.70

Finding the Fourth Proportional to 961,780.62, 1,327,271.22 and 553,955.70

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Solution

The fourth proportional to 961,780.62, 1,327,271.22 and 553,955.70 is: 764,466.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,780.62 : 1,327,271.22 = 553,955.70 : x
  2. Step 2: Convert to fraction form
    961,780.62/1,327,271.22 = 553,955.70/x
  3. Step 3: Cross multiply
    961,780.62x = 1,327,271.22 × 553,955.70
  4. Step 4: Simplify right side
    961,780.62x = 735,249,457,764.95
  5. Step 5: Solve for x
    x = 735,249,457,764.95/961,780.62
  6. Step 6: Final answer
    x = 764,466.91

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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.