Home / 979,060.78-1,468,604.13-380,056.06

Finding the Fourth Proportional to 979,060.78, 1,468,604.13 and 380,056.06

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Solution

The fourth proportional to 979,060.78, 1,468,604.13 and 380,056.06 is: 570,089.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,060.78 : 1,468,604.13 = 380,056.06 : x
  2. Step 2: Convert to fraction form
    979,060.78/1,468,604.13 = 380,056.06/x
  3. Step 3: Cross multiply
    979,060.78x = 1,468,604.13 × 380,056.06
  4. Step 4: Simplify right side
    979,060.78x = 558,151,899,347.53
  5. Step 5: Solve for x
    x = 558,151,899,347.53/979,060.78
  6. Step 6: Final answer
    x = 570,089.12

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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.