Home / 783,304.10-1,081,313.86-493,341.80

Finding the Fourth Proportional to 783,304.10, 1,081,313.86 and 493,341.80

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Solution

The fourth proportional to 783,304.10, 1,081,313.86 and 493,341.80 is: 681,034.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,304.10 : 1,081,313.86 = 493,341.80 : x
  2. Step 2: Convert to fraction form
    783,304.10/1,081,313.86 = 493,341.80/x
  3. Step 3: Cross multiply
    783,304.10x = 1,081,313.86 × 493,341.80
  4. Step 4: Simplify right side
    783,304.10x = 533,457,326,057.35
  5. Step 5: Solve for x
    x = 533,457,326,057.35/783,304.10
  6. Step 6: Final answer
    x = 681,034.77

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Double scale
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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.