Home / 970,697.76-1,339,563.96-540,968.16

Finding the Fourth Proportional to 970,697.76, 1,339,563.96 and 540,968.16

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Solution

The fourth proportional to 970,697.76, 1,339,563.96 and 540,968.16 is: 746,536.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,697.76 : 1,339,563.96 = 540,968.16 : x
  2. Step 2: Convert to fraction form
    970,697.76/1,339,563.96 = 540,968.16/x
  3. Step 3: Cross multiply
    970,697.76x = 1,339,563.96 × 540,968.16
  4. Step 4: Simplify right side
    970,697.76x = 724,661,450,643.51
  5. Step 5: Solve for x
    x = 724,661,450,643.51/970,697.76
  6. Step 6: Final answer
    x = 746,536.65

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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.