Home / 757,390.83-1,045,261.80-430,806.12

Finding the Fourth Proportional to 757,390.83, 1,045,261.80 and 430,806.12

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Solution

The fourth proportional to 757,390.83, 1,045,261.80 and 430,806.12 is: 594,547.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,390.83 : 1,045,261.80 = 430,806.12 : x
  2. Step 2: Convert to fraction form
    757,390.83/1,045,261.80 = 430,806.12/x
  3. Step 3: Cross multiply
    757,390.83x = 1,045,261.80 × 430,806.12
  4. Step 4: Simplify right side
    757,390.83x = 450,305,180,442.22
  5. Step 5: Solve for x
    x = 450,305,180,442.22/757,390.83
  6. Step 6: Final answer
    x = 594,547.97

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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.