Home / 740,964.62-1,022,536.08-401,432.87

Finding the Fourth Proportional to 740,964.62, 1,022,536.08 and 401,432.87

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Solution

The fourth proportional to 740,964.62, 1,022,536.08 and 401,432.87 is: 553,980.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,964.62 : 1,022,536.08 = 401,432.87 : x
  2. Step 2: Convert to fraction form
    740,964.62/1,022,536.08 = 401,432.87/x
  3. Step 3: Cross multiply
    740,964.62x = 1,022,536.08 × 401,432.87
  4. Step 4: Simplify right side
    740,964.62x = 410,479,588,160.27
  5. Step 5: Solve for x
    x = 410,479,588,160.27/740,964.62
  6. Step 6: Final answer
    x = 553,980.01

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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.