Home / 783,088.61-1,174,853.43-303,461.28

Finding the Fourth Proportional to 783,088.61, 1,174,853.43 and 303,461.28

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Solution

The fourth proportional to 783,088.61, 1,174,853.43 and 303,461.28 is: 455,277.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,088.61 : 1,174,853.43 = 303,461.28 : x
  2. Step 2: Convert to fraction form
    783,088.61/1,174,853.43 = 303,461.28/x
  3. Step 3: Cross multiply
    783,088.61x = 1,174,853.43 × 303,461.28
  4. Step 4: Simplify right side
    783,088.61x = 356,522,525,680.19
  5. Step 5: Solve for x
    x = 356,522,525,680.19/783,088.61
  6. Step 6: Final answer
    x = 455,277.38

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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.