Home / 990,505.04-1,486,347.80-359,468.04

Finding the Fourth Proportional to 990,505.04, 1,486,347.80 and 359,468.04

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Solution

The fourth proportional to 990,505.04, 1,486,347.80 and 359,468.04 is: 539,416.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,505.04 : 1,486,347.80 = 359,468.04 : x
  2. Step 2: Convert to fraction form
    990,505.04/1,486,347.80 = 359,468.04/x
  3. Step 3: Cross multiply
    990,505.04x = 1,486,347.80 × 359,468.04
  4. Step 4: Simplify right side
    990,505.04x = 534,294,530,424.31
  5. Step 5: Solve for x
    x = 534,294,530,424.31/990,505.04
  6. Step 6: Final answer
    x = 539,416.27

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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.