Home / 990,172.02-1,484,870.60-350,228.48

Finding the Fourth Proportional to 990,172.02, 1,484,870.60 and 350,228.48

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Solution

The fourth proportional to 990,172.02, 1,484,870.60 and 350,228.48 is: 525,205.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,172.02 : 1,484,870.60 = 350,228.48 : x
  2. Step 2: Convert to fraction form
    990,172.02/1,484,870.60 = 350,228.48/x
  3. Step 3: Cross multiply
    990,172.02x = 1,484,870.60 × 350,228.48
  4. Step 4: Simplify right side
    990,172.02x = 520,043,973,234.69
  5. Step 5: Solve for x
    x = 520,043,973,234.69/990,172.02
  6. Step 6: Final answer
    x = 525,205.68

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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.