Home / 863,400.60-1,295,100.90-483,931.80

Finding the Fourth Proportional to 863,400.60, 1,295,100.90 and 483,931.80

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Solution

The fourth proportional to 863,400.60, 1,295,100.90 and 483,931.80 is: 725,897.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,400.60 : 1,295,100.90 = 483,931.80 : x
  2. Step 2: Convert to fraction form
    863,400.60/1,295,100.90 = 483,931.80/x
  3. Step 3: Cross multiply
    863,400.60x = 1,295,100.90 × 483,931.80
  4. Step 4: Simplify right side
    863,400.60x = 626,740,509,718.62
  5. Step 5: Solve for x
    x = 626,740,509,718.62/863,400.60
  6. Step 6: Final answer
    x = 725,897.70

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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.