Home / 758,753.26-1,047,567.63-486,938.32

Finding the Fourth Proportional to 758,753.26, 1,047,567.63 and 486,938.32

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Solution

The fourth proportional to 758,753.26, 1,047,567.63 and 486,938.32 is: 672,288.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,753.26 : 1,047,567.63 = 486,938.32 : x
  2. Step 2: Convert to fraction form
    758,753.26/1,047,567.63 = 486,938.32/x
  3. Step 3: Cross multiply
    758,753.26x = 1,047,567.63 × 486,938.32
  4. Step 4: Simplify right side
    758,753.26x = 510,100,821,045.68
  5. Step 5: Solve for x
    x = 510,100,821,045.68/758,753.26
  6. Step 6: Final answer
    x = 672,288.15

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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.