Home / 651,224.16-898,698.32-424,739.68

Finding the Fourth Proportional to 651,224.16, 898,698.32 and 424,739.68

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Solution

The fourth proportional to 651,224.16, 898,698.32 and 424,739.68 is: 586,146.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,224.16 : 898,698.32 = 424,739.68 : x
  2. Step 2: Convert to fraction form
    651,224.16/898,698.32 = 424,739.68/x
  3. Step 3: Cross multiply
    651,224.16x = 898,698.32 × 424,739.68
  4. Step 4: Simplify right side
    651,224.16x = 381,712,836,853.34
  5. Step 5: Solve for x
    x = 381,712,836,853.34/651,224.16
  6. Step 6: Final answer
    x = 586,146.61

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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.