Home / 929,457.66-1,282,647.96-521,558.55

Finding the Fourth Proportional to 929,457.66, 1,282,647.96 and 521,558.55

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Solution

The fourth proportional to 929,457.66, 1,282,647.96 and 521,558.55 is: 719,748.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,457.66 : 1,282,647.96 = 521,558.55 : x
  2. Step 2: Convert to fraction form
    929,457.66/1,282,647.96 = 521,558.55/x
  3. Step 3: Cross multiply
    929,457.66x = 1,282,647.96 × 521,558.55
  4. Step 4: Simplify right side
    929,457.66x = 668,976,010,178.06
  5. Step 5: Solve for x
    x = 668,976,010,178.06/929,457.66
  6. Step 6: Final answer
    x = 719,748.77

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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.