Home / 783,973.16-1,175,955.36-285,337.16

Finding the Fourth Proportional to 783,973.16, 1,175,955.36 and 285,337.16

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Solution

The fourth proportional to 783,973.16, 1,175,955.36 and 285,337.16 is: 428,004.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,973.16 : 1,175,955.36 = 285,337.16 : x
  2. Step 2: Convert to fraction form
    783,973.16/1,175,955.36 = 285,337.16/x
  3. Step 3: Cross multiply
    783,973.16x = 1,175,955.36 × 285,337.16
  4. Step 4: Simplify right side
    783,973.16x = 335,543,762,709.18
  5. Step 5: Solve for x
    x = 335,543,762,709.18/783,973.16
  6. Step 6: Final answer
    x = 428,004.15

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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.