Home / 870,018.60-1,303,991.10-364,578.60

Finding the Fourth Proportional to 870,018.60, 1,303,991.10 and 364,578.60

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Solution

The fourth proportional to 870,018.60, 1,303,991.10 and 364,578.60 is: 546,433.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,018.60 : 1,303,991.10 = 364,578.60 : x
  2. Step 2: Convert to fraction form
    870,018.60/1,303,991.10 = 364,578.60/x
  3. Step 3: Cross multiply
    870,018.60x = 1,303,991.10 × 364,578.60
  4. Step 4: Simplify right side
    870,018.60x = 475,407,249,650.46
  5. Step 5: Solve for x
    x = 475,407,249,650.46/870,018.60
  6. Step 6: Final answer
    x = 546,433.43

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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.