Home / 757,734.77-1,045,668.83-418,203.02

Finding the Fourth Proportional to 757,734.77, 1,045,668.83 and 418,203.02

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Solution

The fourth proportional to 757,734.77, 1,045,668.83 and 418,203.02 is: 577,117.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,734.77 : 1,045,668.83 = 418,203.02 : x
  2. Step 2: Convert to fraction form
    757,734.77/1,045,668.83 = 418,203.02/x
  3. Step 3: Cross multiply
    757,734.77x = 1,045,668.83 × 418,203.02
  4. Step 4: Simplify right side
    757,734.77x = 437,301,862,625.87
  5. Step 5: Solve for x
    x = 437,301,862,625.87/757,734.77
  6. Step 6: Final answer
    x = 577,117.32

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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.