Home / 970,260.72-1,338,926.04-540,518.64

Finding the Fourth Proportional to 970,260.72, 1,338,926.04 and 540,518.64

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Solution

The fourth proportional to 970,260.72, 1,338,926.04 and 540,518.64 is: 745,896.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,260.72 : 1,338,926.04 = 540,518.64 : x
  2. Step 2: Convert to fraction form
    970,260.72/1,338,926.04 = 540,518.64/x
  3. Step 3: Cross multiply
    970,260.72x = 1,338,926.04 × 540,518.64
  4. Step 4: Simplify right side
    970,260.72x = 723,714,482,201.39
  5. Step 5: Solve for x
    x = 723,714,482,201.39/970,260.72
  6. Step 6: Final answer
    x = 745,896.92

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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.