Home / 1,555,208.80-2,332,813.20-433,277.80

Finding the Fourth Proportional to 1,555,208.80, 2,332,813.20 and 433,277.80

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Solution

The fourth proportional to 1,555,208.80, 2,332,813.20 and 433,277.80 is: 649,916.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,208.80 : 2,332,813.20 = 433,277.80 : x
  2. Step 2: Convert to fraction form
    1,555,208.80/2,332,813.20 = 433,277.80/x
  3. Step 3: Cross multiply
    1,555,208.80x = 2,332,813.20 × 433,277.80
  4. Step 4: Simplify right side
    1,555,208.80x = 1,010,756,171,106.96
  5. Step 5: Solve for x
    x = 1,010,756,171,106.96/1,555,208.80
  6. Step 6: Final answer
    x = 649,916.70

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Double scale
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Similar ratio
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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.