Home / 970,358.40-1,338,935.04-540,541.44

Finding the Fourth Proportional to 970,358.40, 1,338,935.04 and 540,541.44

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Solution

The fourth proportional to 970,358.40, 1,338,935.04 and 540,541.44 is: 745,858.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,358.40 : 1,338,935.04 = 540,541.44 : x
  2. Step 2: Convert to fraction form
    970,358.40/1,338,935.04 = 540,541.44/x
  3. Step 3: Cross multiply
    970,358.40x = 1,338,935.04 × 540,541.44
  4. Step 4: Simplify right side
    970,358.40x = 723,749,874,588.06
  5. Step 5: Solve for x
    x = 723,749,874,588.06/970,358.40
  6. Step 6: Final answer
    x = 745,858.31

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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.