Home / 749,056.30-1,123,402.20-216,521.80

Finding the Fourth Proportional to 749,056.30, 1,123,402.20 and 216,521.80

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Solution

The fourth proportional to 749,056.30, 1,123,402.20 and 216,521.80 is: 324,730.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,056.30 : 1,123,402.20 = 216,521.80 : x
  2. Step 2: Convert to fraction form
    749,056.30/1,123,402.20 = 216,521.80/x
  3. Step 3: Cross multiply
    749,056.30x = 1,123,402.20 × 216,521.80
  4. Step 4: Simplify right side
    749,056.30x = 243,241,066,467.96
  5. Step 5: Solve for x
    x = 243,241,066,467.96/749,056.30
  6. Step 6: Final answer
    x = 324,730.02

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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.