Home / 832,402.12-1,148,720.22-488,167.86

Finding the Fourth Proportional to 832,402.12, 1,148,720.22 and 488,167.86

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Solution

The fourth proportional to 832,402.12, 1,148,720.22 and 488,167.86 is: 673,674.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,402.12 : 1,148,720.22 = 488,167.86 : x
  2. Step 2: Convert to fraction form
    832,402.12/1,148,720.22 = 488,167.86/x
  3. Step 3: Cross multiply
    832,402.12x = 1,148,720.22 × 488,167.86
  4. Step 4: Simplify right side
    832,402.12x = 560,768,291,536.13
  5. Step 5: Solve for x
    x = 560,768,291,536.13/832,402.12
  6. Step 6: Final answer
    x = 673,674.75

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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.