Home / 634,122.72-875,045.70-375,986.52

Finding the Fourth Proportional to 634,122.72, 875,045.70 and 375,986.52

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Solution

The fourth proportional to 634,122.72, 875,045.70 and 375,986.52 is: 518,835.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,122.72 : 875,045.70 = 375,986.52 : x
  2. Step 2: Convert to fraction form
    634,122.72/875,045.70 = 375,986.52/x
  3. Step 3: Cross multiply
    634,122.72x = 875,045.70 × 375,986.52
  4. Step 4: Simplify right side
    634,122.72x = 329,005,387,583.96
  5. Step 5: Solve for x
    x = 329,005,387,583.96/634,122.72
  6. Step 6: Final answer
    x = 518,835.51

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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.