Home / 711,028.02-980,634.08-507,013.73

Finding the Fourth Proportional to 711,028.02, 980,634.08 and 507,013.73

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Solution

The fourth proportional to 711,028.02, 980,634.08 and 507,013.73 is: 699,262.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,028.02 : 980,634.08 = 507,013.73 : x
  2. Step 2: Convert to fraction form
    711,028.02/980,634.08 = 507,013.73/x
  3. Step 3: Cross multiply
    711,028.02x = 980,634.08 × 507,013.73
  4. Step 4: Simplify right side
    711,028.02x = 497,194,942,665.92
  5. Step 5: Solve for x
    x = 497,194,942,665.92/711,028.02
  6. Step 6: Final answer
    x = 699,262.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.