Home / 637,943.01-879,770.00-465,587.97

Finding the Fourth Proportional to 637,943.01, 879,770.00 and 465,587.97

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Solution

The fourth proportional to 637,943.01, 879,770.00 and 465,587.97 is: 642,079.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,943.01 : 879,770.00 = 465,587.97 : x
  2. Step 2: Convert to fraction form
    637,943.01/879,770.00 = 465,587.97/x
  3. Step 3: Cross multiply
    637,943.01x = 879,770.00 × 465,587.97
  4. Step 4: Simplify right side
    637,943.01x = 409,610,326,038.96
  5. Step 5: Solve for x
    x = 409,610,326,038.96/637,943.01
  6. Step 6: Final answer
    x = 642,079.81

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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.