Home / 757,706.08-1,045,769.86-451,802.16

Finding the Fourth Proportional to 757,706.08, 1,045,769.86 and 451,802.16

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Solution

The fourth proportional to 757,706.08, 1,045,769.86 and 451,802.16 is: 623,567.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,706.08 : 1,045,769.86 = 451,802.16 : x
  2. Step 2: Convert to fraction form
    757,706.08/1,045,769.86 = 451,802.16/x
  3. Step 3: Cross multiply
    757,706.08x = 1,045,769.86 × 451,802.16
  4. Step 4: Simplify right side
    757,706.08x = 472,481,081,610.90
  5. Step 5: Solve for x
    x = 472,481,081,610.90/757,706.08
  6. Step 6: Final answer
    x = 623,567.76

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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.