Home / 757,387.83-1,045,257.66-430,803.12

Finding the Fourth Proportional to 757,387.83, 1,045,257.66 and 430,803.12

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Solution

The fourth proportional to 757,387.83, 1,045,257.66 and 430,803.12 is: 594,543.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,387.83 : 1,045,257.66 = 430,803.12 : x
  2. Step 2: Convert to fraction form
    757,387.83/1,045,257.66 = 430,803.12/x
  3. Step 3: Cross multiply
    757,387.83x = 1,045,257.66 × 430,803.12
  4. Step 4: Simplify right side
    757,387.83x = 450,300,261,131.90
  5. Step 5: Solve for x
    x = 450,300,261,131.90/757,387.83
  6. Step 6: Final answer
    x = 594,543.83

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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.