Home / 628,841.85-867,521.37-424,827.15

Finding the Fourth Proportional to 628,841.85, 867,521.37 and 424,827.15

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Solution

The fourth proportional to 628,841.85, 867,521.37 and 424,827.15 is: 586,072.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,841.85 : 867,521.37 = 424,827.15 : x
  2. Step 2: Convert to fraction form
    628,841.85/867,521.37 = 424,827.15/x
  3. Step 3: Cross multiply
    628,841.85x = 867,521.37 × 424,827.15
  4. Step 4: Simplify right side
    628,841.85x = 368,546,629,521.09
  5. Step 5: Solve for x
    x = 368,546,629,521.09/628,841.85
  6. Step 6: Final answer
    x = 586,072.05

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1.5x scale

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.