Home / 801,890.80-1,106,610.22-434,368.69

Finding the Fourth Proportional to 801,890.80, 1,106,610.22 and 434,368.69

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Solution

The fourth proportional to 801,890.80, 1,106,610.22 and 434,368.69 is: 599,429.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,890.80 : 1,106,610.22 = 434,368.69 : x
  2. Step 2: Convert to fraction form
    801,890.80/1,106,610.22 = 434,368.69/x
  3. Step 3: Cross multiply
    801,890.80x = 1,106,610.22 × 434,368.69
  4. Step 4: Simplify right side
    801,890.80x = 480,676,829,378.45
  5. Step 5: Solve for x
    x = 480,676,829,378.45/801,890.80
  6. Step 6: Final answer
    x = 599,429.29

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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.