Home / 757,822.13-1,045,794.63-418,290.47

Finding the Fourth Proportional to 757,822.13, 1,045,794.63 and 418,290.47

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Solution

The fourth proportional to 757,822.13, 1,045,794.63 and 418,290.47 is: 577,240.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,822.13 : 1,045,794.63 = 418,290.47 : x
  2. Step 2: Convert to fraction form
    757,822.13/1,045,794.63 = 418,290.47/x
  3. Step 3: Cross multiply
    757,822.13x = 1,045,794.63 × 418,290.47
  4. Step 4: Simplify right side
    757,822.13x = 437,445,922,077.20
  5. Step 5: Solve for x
    x = 437,445,922,077.20/757,822.13
  6. Step 6: Final answer
    x = 577,240.90

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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.