Home / 488,139.51-731,935.14-334,438.98

Finding the Fourth Proportional to 488,139.51, 731,935.14 and 334,438.98

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Solution

The fourth proportional to 488,139.51, 731,935.14 and 334,438.98 is: 501,470.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,139.51 : 731,935.14 = 334,438.98 : x
  2. Step 2: Convert to fraction form
    488,139.51/731,935.14 = 334,438.98/x
  3. Step 3: Cross multiply
    488,139.51x = 731,935.14 × 334,438.98
  4. Step 4: Simplify right side
    488,139.51x = 244,787,641,647.76
  5. Step 5: Solve for x
    x = 244,787,641,647.76/488,139.51
  6. Step 6: Final answer
    x = 501,470.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.