Home / 507,897.30-762,003.90-208,402.23

Finding the Fourth Proportional to 507,897.30, 762,003.90 and 208,402.23

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Solution

The fourth proportional to 507,897.30, 762,003.90 and 208,402.23 is: 312,668.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,897.30 : 762,003.90 = 208,402.23 : x
  2. Step 2: Convert to fraction form
    507,897.30/762,003.90 = 208,402.23/x
  3. Step 3: Cross multiply
    507,897.30x = 762,003.90 × 208,402.23
  4. Step 4: Simplify right side
    507,897.30x = 158,803,312,028.70
  5. Step 5: Solve for x
    x = 158,803,312,028.70/507,897.30
  6. Step 6: Final answer
    x = 312,668.16

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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.