Home / 899,543.63-1,348,821.23-443,130.57

Finding the Fourth Proportional to 899,543.63, 1,348,821.23 and 443,130.57

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Solution

The fourth proportional to 899,543.63, 1,348,821.23 and 443,130.57 is: 664,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,543.63 : 1,348,821.23 = 443,130.57 : x
  2. Step 2: Convert to fraction form
    899,543.63/1,348,821.23 = 443,130.57/x
  3. Step 3: Cross multiply
    899,543.63x = 1,348,821.23 × 443,130.57
  4. Step 4: Simplify right side
    899,543.63x = 597,703,918,262.35
  5. Step 5: Solve for x
    x = 597,703,918,262.35/899,543.63
  6. Step 6: Final answer
    x = 664,452.40

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1.5x scale

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.