Home / 895,329.20-1,343,231.40-389,673.20

Finding the Fourth Proportional to 895,329.20, 1,343,231.40 and 389,673.20

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Solution

The fourth proportional to 895,329.20, 1,343,231.40 and 389,673.20 is: 584,613.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,329.20 : 1,343,231.40 = 389,673.20 : x
  2. Step 2: Convert to fraction form
    895,329.20/1,343,231.40 = 389,673.20/x
  3. Step 3: Cross multiply
    895,329.20x = 1,343,231.40 × 389,673.20
  4. Step 4: Simplify right side
    895,329.20x = 523,421,277,978.48
  5. Step 5: Solve for x
    x = 523,421,277,978.48/895,329.20
  6. Step 6: Final answer
    x = 584,613.21

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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.