Home / 970,166.80-1,338,928.68-540,516.88

Finding the Fourth Proportional to 970,166.80, 1,338,928.68 and 540,516.88

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Solution

The fourth proportional to 970,166.80, 1,338,928.68 and 540,516.88 is: 745,968.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,166.80 : 1,338,928.68 = 540,516.88 : x
  2. Step 2: Convert to fraction form
    970,166.80/1,338,928.68 = 540,516.88/x
  3. Step 3: Cross multiply
    970,166.80x = 1,338,928.68 × 540,516.88
  4. Step 4: Simplify right side
    970,166.80x = 723,713,552,656.12
  5. Step 5: Solve for x
    x = 723,713,552,656.12/970,166.80
  6. Step 6: Final answer
    x = 745,968.17

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1.5x scale

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.