Home / 648,611.04-972,968.40-227,981.28

Finding the Fourth Proportional to 648,611.04, 972,968.40 and 227,981.28

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Solution

The fourth proportional to 648,611.04, 972,968.40 and 227,981.28 is: 341,990.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,611.04 : 972,968.40 = 227,981.28 : x
  2. Step 2: Convert to fraction form
    648,611.04/972,968.40 = 227,981.28/x
  3. Step 3: Cross multiply
    648,611.04x = 972,968.40 × 227,981.28
  4. Step 4: Simplify right side
    648,611.04x = 221,818,581,231.55
  5. Step 5: Solve for x
    x = 221,818,581,231.55/648,611.04
  6. Step 6: Final answer
    x = 341,990.14

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1.5x scale

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.