Home / 740,954.79-1,022,518.62-401,423.04

Finding the Fourth Proportional to 740,954.79, 1,022,518.62 and 401,423.04

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Solution

The fourth proportional to 740,954.79, 1,022,518.62 and 401,423.04 is: 553,964.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,954.79 : 1,022,518.62 = 401,423.04 : x
  2. Step 2: Convert to fraction form
    740,954.79/1,022,518.62 = 401,423.04/x
  3. Step 3: Cross multiply
    740,954.79x = 1,022,518.62 × 401,423.04
  4. Step 4: Simplify right side
    740,954.79x = 410,462,532,897.01
  5. Step 5: Solve for x
    x = 410,462,532,897.01/740,954.79
  6. Step 6: Final answer
    x = 553,964.34

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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.