Home / 651,241.16-898,721.78-424,756.68

Finding the Fourth Proportional to 651,241.16, 898,721.78 and 424,756.68

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Solution

The fourth proportional to 651,241.16, 898,721.78 and 424,756.68 is: 586,170.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,241.16 : 898,721.78 = 424,756.68 : x
  2. Step 2: Convert to fraction form
    651,241.16/898,721.78 = 424,756.68/x
  3. Step 3: Cross multiply
    651,241.16x = 898,721.78 × 424,756.68
  4. Step 4: Simplify right side
    651,241.16x = 381,738,079,516.49
  5. Step 5: Solve for x
    x = 381,738,079,516.49/651,241.16
  6. Step 6: Final answer
    x = 586,170.07

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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.