Home / 990,512.04-1,486,358.30-359,475.04

Finding the Fourth Proportional to 990,512.04, 1,486,358.30 and 359,475.04

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Solution

The fourth proportional to 990,512.04, 1,486,358.30 and 359,475.04 is: 539,426.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,512.04 : 1,486,358.30 = 359,475.04 : x
  2. Step 2: Convert to fraction form
    990,512.04/1,486,358.30 = 359,475.04/x
  3. Step 3: Cross multiply
    990,512.04x = 1,486,358.30 × 359,475.04
  4. Step 4: Simplify right side
    990,512.04x = 534,308,709,346.83
  5. Step 5: Solve for x
    x = 534,308,709,346.83/990,512.04
  6. Step 6: Final answer
    x = 539,426.77

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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.