Home / 558,851.40-837,806.90-243,070.47

Finding the Fourth Proportional to 558,851.40, 837,806.90 and 243,070.47

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Solution

The fourth proportional to 558,851.40, 837,806.90 and 243,070.47 is: 364,401.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,851.40 : 837,806.90 = 243,070.47 : x
  2. Step 2: Convert to fraction form
    558,851.40/837,806.90 = 243,070.47/x
  3. Step 3: Cross multiply
    558,851.40x = 837,806.90 × 243,070.47
  4. Step 4: Simplify right side
    558,851.40x = 203,646,115,736.89
  5. Step 5: Solve for x
    x = 203,646,115,736.89/558,851.40
  6. Step 6: Final answer
    x = 364,401.19

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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.