Home / 749,941.28-1,034,918.30-423,323.06

Finding the Fourth Proportional to 749,941.28, 1,034,918.30 and 423,323.06

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Solution

The fourth proportional to 749,941.28, 1,034,918.30 and 423,323.06 is: 584,185.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,941.28 : 1,034,918.30 = 423,323.06 : x
  2. Step 2: Convert to fraction form
    749,941.28/1,034,918.30 = 423,323.06/x
  3. Step 3: Cross multiply
    749,941.28x = 1,034,918.30 × 423,323.06
  4. Step 4: Simplify right side
    749,941.28x = 438,104,783,311.13
  5. Step 5: Solve for x
    x = 438,104,783,311.13/749,941.28
  6. Step 6: Final answer
    x = 584,185.45

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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.