Home / 711,027.02-980,632.70-507,012.73

Finding the Fourth Proportional to 711,027.02, 980,632.70 and 507,012.73

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Solution

The fourth proportional to 711,027.02, 980,632.70 and 507,012.73 is: 699,260.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,027.02 : 980,632.70 = 507,012.73 : x
  2. Step 2: Convert to fraction form
    711,027.02/980,632.70 = 507,012.73/x
  3. Step 3: Cross multiply
    711,027.02x = 980,632.70 × 507,012.73
  4. Step 4: Simplify right side
    711,027.02x = 497,193,262,354.27
  5. Step 5: Solve for x
    x = 497,193,262,354.27/711,027.02
  6. Step 6: Final answer
    x = 699,260.71

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1.5x scale

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.