Home / 870,015.60-1,303,986.60-364,575.60

Finding the Fourth Proportional to 870,015.60, 1,303,986.60 and 364,575.60

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Solution

The fourth proportional to 870,015.60, 1,303,986.60 and 364,575.60 is: 546,428.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,015.60 : 1,303,986.60 = 364,575.60 : x
  2. Step 2: Convert to fraction form
    870,015.60/1,303,986.60 = 364,575.60/x
  3. Step 3: Cross multiply
    870,015.60x = 1,303,986.60 × 364,575.60
  4. Step 4: Simplify right side
    870,015.60x = 475,401,697,086.96
  5. Step 5: Solve for x
    x = 475,401,697,086.96/870,015.60
  6. Step 6: Final answer
    x = 546,428.93

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1.5x scale

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.