Home / 926,395.86-1,388,881.76-470,612.38

Finding the Fourth Proportional to 926,395.86, 1,388,881.76 and 470,612.38

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Solution

The fourth proportional to 926,395.86, 1,388,881.76 and 470,612.38 is: 705,556.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,395.86 : 1,388,881.76 = 470,612.38 : x
  2. Step 2: Convert to fraction form
    926,395.86/1,388,881.76 = 470,612.38/x
  3. Step 3: Cross multiply
    926,395.86x = 1,388,881.76 × 470,612.38
  4. Step 4: Simplify right side
    926,395.86x = 653,624,947,139.98
  5. Step 5: Solve for x
    x = 653,624,947,139.98/926,395.86
  6. Step 6: Final answer
    x = 705,556.85

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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.