Home / 628,389.29-867,195.72-341,927.93

Finding the Fourth Proportional to 628,389.29, 867,195.72 and 341,927.93

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Solution

The fourth proportional to 628,389.29, 867,195.72 and 341,927.93 is: 471,870.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,389.29 : 867,195.72 = 341,927.93 : x
  2. Step 2: Convert to fraction form
    628,389.29/867,195.72 = 341,927.93/x
  3. Step 3: Cross multiply
    628,389.29x = 867,195.72 × 341,927.93
  4. Step 4: Simplify right side
    628,389.29x = 296,518,439,612.45
  5. Step 5: Solve for x
    x = 296,518,439,612.45/628,389.29
  6. Step 6: Final answer
    x = 471,870.61

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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.