Home / 1,038,743.22-1,558,348.29-328,813.86

Finding the Fourth Proportional to 1,038,743.22, 1,558,348.29 and 328,813.86

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Solution

The fourth proportional to 1,038,743.22, 1,558,348.29 and 328,813.86 is: 493,294.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,743.22 : 1,558,348.29 = 328,813.86 : x
  2. Step 2: Convert to fraction form
    1,038,743.22/1,558,348.29 = 328,813.86/x
  3. Step 3: Cross multiply
    1,038,743.22x = 1,558,348.29 × 328,813.86
  4. Step 4: Simplify right side
    1,038,743.22x = 512,406,516,459.30
  5. Step 5: Solve for x
    x = 512,406,516,459.30/1,038,743.22
  6. Step 6: Final answer
    x = 493,294.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.