Home / 732,450.80-1,010,758.56-405,750.35

Finding the Fourth Proportional to 732,450.80, 1,010,758.56 and 405,750.35

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Solution

The fourth proportional to 732,450.80, 1,010,758.56 and 405,750.35 is: 559,922.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,450.80 : 1,010,758.56 = 405,750.35 : x
  2. Step 2: Convert to fraction form
    732,450.80/1,010,758.56 = 405,750.35/x
  3. Step 3: Cross multiply
    732,450.80x = 1,010,758.56 × 405,750.35
  4. Step 4: Simplify right side
    732,450.80x = 410,115,639,485.50
  5. Step 5: Solve for x
    x = 410,115,639,485.50/732,450.80
  6. Step 6: Final answer
    x = 559,922.44

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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.