Home / 736,751.34-1,105,127.28-331,470.30

Finding the Fourth Proportional to 736,751.34, 1,105,127.28 and 331,470.30

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Solution

The fourth proportional to 736,751.34, 1,105,127.28 and 331,470.30 is: 497,205.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,751.34 : 1,105,127.28 = 331,470.30 : x
  2. Step 2: Convert to fraction form
    736,751.34/1,105,127.28 = 331,470.30/x
  3. Step 3: Cross multiply
    736,751.34x = 1,105,127.28 × 331,470.30
  4. Step 4: Simplify right side
    736,751.34x = 366,316,871,039.78
  5. Step 5: Solve for x
    x = 366,316,871,039.78/736,751.34
  6. Step 6: Final answer
    x = 497,205.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.