Home / 685,166.43-1,027,743.95-535,532.49

Finding the Fourth Proportional to 685,166.43, 1,027,743.95 and 535,532.49

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Solution

The fourth proportional to 685,166.43, 1,027,743.95 and 535,532.49 is: 803,294.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,166.43 : 1,027,743.95 = 535,532.49 : x
  2. Step 2: Convert to fraction form
    685,166.43/1,027,743.95 = 535,532.49/x
  3. Step 3: Cross multiply
    685,166.43x = 1,027,743.95 × 535,532.49
  4. Step 4: Simplify right side
    685,166.43x = 550,390,281,818.81
  5. Step 5: Solve for x
    x = 550,390,281,818.81/685,166.43
  6. Step 6: Final answer
    x = 803,294.30

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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.