Home / 634,401.82-875,474.58-347,927.89

Finding the Fourth Proportional to 634,401.82, 875,474.58 and 347,927.89

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Solution

The fourth proportional to 634,401.82, 875,474.58 and 347,927.89 is: 480,140.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,401.82 : 875,474.58 = 347,927.89 : x
  2. Step 2: Convert to fraction form
    634,401.82/875,474.58 = 347,927.89/x
  3. Step 3: Cross multiply
    634,401.82x = 875,474.58 × 347,927.89
  4. Step 4: Simplify right side
    634,401.82x = 304,602,023,368.04
  5. Step 5: Solve for x
    x = 304,602,023,368.04/634,401.82
  6. Step 6: Final answer
    x = 480,140.53

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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.