Home / 768,346.98-1,060,457.64-458,269.46

Finding the Fourth Proportional to 768,346.98, 1,060,457.64 and 458,269.46

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Solution

The fourth proportional to 768,346.98, 1,060,457.64 and 458,269.46 is: 632,494.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,346.98 : 1,060,457.64 = 458,269.46 : x
  2. Step 2: Convert to fraction form
    768,346.98/1,060,457.64 = 458,269.46/x
  3. Step 3: Cross multiply
    768,346.98x = 1,060,457.64 × 458,269.46
  4. Step 4: Simplify right side
    768,346.98x = 485,975,346,991.59
  5. Step 5: Solve for x
    x = 485,975,346,991.59/768,346.98
  6. Step 6: Final answer
    x = 632,494.64

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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.