Home / 939,972.29-1,410,491.69-507,684.40

Finding the Fourth Proportional to 939,972.29, 1,410,491.69 and 507,684.40

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Solution

The fourth proportional to 939,972.29, 1,410,491.69 and 507,684.40 is: 761,814.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,972.29 : 1,410,491.69 = 507,684.40 : x
  2. Step 2: Convert to fraction form
    939,972.29/1,410,491.69 = 507,684.40/x
  3. Step 3: Cross multiply
    939,972.29x = 1,410,491.69 × 507,684.40
  4. Step 4: Simplify right side
    939,972.29x = 716,084,627,342.64
  5. Step 5: Solve for x
    x = 716,084,627,342.64/939,972.29
  6. Step 6: Final answer
    x = 761,814.61

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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.