Home / 872,574.88-1,306,155.83-472,222.66

Finding the Fourth Proportional to 872,574.88, 1,306,155.83 and 472,222.66

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Solution

The fourth proportional to 872,574.88, 1,306,155.83 and 472,222.66 is: 706,869.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,574.88 : 1,306,155.83 = 472,222.66 : x
  2. Step 2: Convert to fraction form
    872,574.88/1,306,155.83 = 472,222.66/x
  3. Step 3: Cross multiply
    872,574.88x = 1,306,155.83 × 472,222.66
  4. Step 4: Simplify right side
    872,574.88x = 616,796,379,895.90
  5. Step 5: Solve for x
    x = 616,796,379,895.90/872,574.88
  6. Step 6: Final answer
    x = 706,869.28

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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.