Home / 970,944.39-1,456,101.47-458,530.29

Finding the Fourth Proportional to 970,944.39, 1,456,101.47 and 458,530.29

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Solution

The fourth proportional to 970,944.39, 1,456,101.47 and 458,530.29 is: 687,646.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,944.39 : 1,456,101.47 = 458,530.29 : x
  2. Step 2: Convert to fraction form
    970,944.39/1,456,101.47 = 458,530.29/x
  3. Step 3: Cross multiply
    970,944.39x = 1,456,101.47 × 458,530.29
  4. Step 4: Simplify right side
    970,944.39x = 667,666,630,454.85
  5. Step 5: Solve for x
    x = 667,666,630,454.85/970,944.39
  6. Step 6: Final answer
    x = 687,646.62

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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.