Home / 979,883.72-1,470,035.67-340,207.68

Finding the Fourth Proportional to 979,883.72, 1,470,035.67 and 340,207.68

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Solution

The fourth proportional to 979,883.72, 1,470,035.67 and 340,207.68 is: 510,384.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,883.72 : 1,470,035.67 = 340,207.68 : x
  2. Step 2: Convert to fraction form
    979,883.72/1,470,035.67 = 340,207.68/x
  3. Step 3: Cross multiply
    979,883.72x = 1,470,035.67 × 340,207.68
  4. Step 4: Simplify right side
    979,883.72x = 500,117,424,807.95
  5. Step 5: Solve for x
    x = 500,117,424,807.95/979,883.72
  6. Step 6: Final answer
    x = 510,384.46

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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.