Home / 961,063.81-1,442,305.40-455,626.55

Finding the Fourth Proportional to 961,063.81, 1,442,305.40 and 455,626.55

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Solution

The fourth proportional to 961,063.81, 1,442,305.40 and 455,626.55 is: 683,776.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,063.81 : 1,442,305.40 = 455,626.55 : x
  2. Step 2: Convert to fraction form
    961,063.81/1,442,305.40 = 455,626.55/x
  3. Step 3: Cross multiply
    961,063.81x = 1,442,305.40 × 455,626.55
  4. Step 4: Simplify right side
    961,063.81x = 657,152,634,776.00
  5. Step 5: Solve for x
    x = 657,152,634,776.00/961,063.81
  6. Step 6: Final answer
    x = 683,776.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.