Home / 979,048.67-1,468,214.20-339,187.15

Finding the Fourth Proportional to 979,048.67, 1,468,214.20 and 339,187.15

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Solution

The fourth proportional to 979,048.67, 1,468,214.20 and 339,187.15 is: 508,656.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,048.67 : 1,468,214.20 = 339,187.15 : x
  2. Step 2: Convert to fraction form
    979,048.67/1,468,214.20 = 339,187.15/x
  3. Step 3: Cross multiply
    979,048.67x = 1,468,214.20 × 339,187.15
  4. Step 4: Simplify right side
    979,048.67x = 497,999,386,840.98
  5. Step 5: Solve for x
    x = 497,999,386,840.98/979,048.67
  6. Step 6: Final answer
    x = 508,656.41

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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.