Home / 740,960.34-1,022,526.34-401,428.58

Finding the Fourth Proportional to 740,960.34, 1,022,526.34 and 401,428.58

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Solution

The fourth proportional to 740,960.34, 1,022,526.34 and 401,428.58 is: 553,972.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,960.34 : 1,022,526.34 = 401,428.58 : x
  2. Step 2: Convert to fraction form
    740,960.34/1,022,526.34 = 401,428.58/x
  3. Step 3: Cross multiply
    740,960.34x = 1,022,526.34 × 401,428.58
  4. Step 4: Simplify right side
    740,960.34x = 410,471,296,678.80
  5. Step 5: Solve for x
    x = 410,471,296,678.80/740,960.34
  6. Step 6: Final answer
    x = 553,972.02

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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.