Home / 970,701.76-1,339,569.48-540,972.16

Finding the Fourth Proportional to 970,701.76, 1,339,569.48 and 540,972.16

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Solution

The fourth proportional to 970,701.76, 1,339,569.48 and 540,972.16 is: 746,542.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,701.76 : 1,339,569.48 = 540,972.16 : x
  2. Step 2: Convert to fraction form
    970,701.76/1,339,569.48 = 540,972.16/x
  3. Step 3: Cross multiply
    970,701.76x = 1,339,569.48 × 540,972.16
  4. Step 4: Simplify right side
    970,701.76x = 724,669,795,065.68
  5. Step 5: Solve for x
    x = 724,669,795,065.68/970,701.76
  6. Step 6: Final answer
    x = 746,542.17

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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.