Home / 757,385.91-1,045,005.71-462,960.23

Finding the Fourth Proportional to 757,385.91, 1,045,005.71 and 462,960.23

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Solution

The fourth proportional to 757,385.91, 1,045,005.71 and 462,960.23 is: 638,770.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,385.91 : 1,045,005.71 = 462,960.23 : x
  2. Step 2: Convert to fraction form
    757,385.91/1,045,005.71 = 462,960.23/x
  3. Step 3: Cross multiply
    757,385.91x = 1,045,005.71 × 462,960.23
  4. Step 4: Simplify right side
    757,385.91x = 483,796,076,313.08
  5. Step 5: Solve for x
    x = 483,796,076,313.08/757,385.91
  6. Step 6: Final answer
    x = 638,770.90

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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.