Home / 724,748.76-1,085,701.04-589,957.79

Finding the Fourth Proportional to 724,748.76, 1,085,701.04 and 589,957.79

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Solution

The fourth proportional to 724,748.76, 1,085,701.04 and 589,957.79 is: 883,779.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,748.76 : 1,085,701.04 = 589,957.79 : x
  2. Step 2: Convert to fraction form
    724,748.76/1,085,701.04 = 589,957.79/x
  3. Step 3: Cross multiply
    724,748.76x = 1,085,701.04 × 589,957.79
  4. Step 4: Simplify right side
    724,748.76x = 640,517,777,780.81
  5. Step 5: Solve for x
    x = 640,517,777,780.81/724,748.76
  6. Step 6: Final answer
    x = 883,779.06

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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.