Home / 985,595.20-1,477,809.60-513,203.20

Finding the Fourth Proportional to 985,595.20, 1,477,809.60 and 513,203.20

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Solution

The fourth proportional to 985,595.20, 1,477,809.60 and 513,203.20 is: 769,501.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,595.20 : 1,477,809.60 = 513,203.20 : x
  2. Step 2: Convert to fraction form
    985,595.20/1,477,809.60 = 513,203.20/x
  3. Step 3: Cross multiply
    985,595.20x = 1,477,809.60 × 513,203.20
  4. Step 4: Simplify right side
    985,595.20x = 758,416,615,710.72
  5. Step 5: Solve for x
    x = 758,416,615,710.72/985,595.20
  6. Step 6: Final answer
    x = 769,501.13

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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.