Home / 738,606.80-1,107,910.51-570,373.04

Finding the Fourth Proportional to 738,606.80, 1,107,910.51 and 570,373.04

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Solution

The fourth proportional to 738,606.80, 1,107,910.51 and 570,373.04 is: 855,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,606.80 : 1,107,910.51 = 570,373.04 : x
  2. Step 2: Convert to fraction form
    738,606.80/1,107,910.51 = 570,373.04/x
  3. Step 3: Cross multiply
    738,606.80x = 1,107,910.51 × 570,373.04
  4. Step 4: Simplify right side
    738,606.80x = 631,922,286,980.49
  5. Step 5: Solve for x
    x = 631,922,286,980.49/738,606.80
  6. Step 6: Final answer
    x = 855,559.80

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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.