Home / 990,511.04-1,486,356.80-359,474.04

Finding the Fourth Proportional to 990,511.04, 1,486,356.80 and 359,474.04

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Solution

The fourth proportional to 990,511.04, 1,486,356.80 and 359,474.04 is: 539,425.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,511.04 : 1,486,356.80 = 359,474.04 : x
  2. Step 2: Convert to fraction form
    990,511.04/1,486,356.80 = 359,474.04/x
  3. Step 3: Cross multiply
    990,511.04x = 1,486,356.80 × 359,474.04
  4. Step 4: Simplify right side
    990,511.04x = 534,306,683,777.47
  5. Step 5: Solve for x
    x = 534,306,683,777.47/990,511.04
  6. Step 6: Final answer
    x = 539,425.27

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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.