Home / 977,261.81-1,346,936.67-649,989.11

Finding the Fourth Proportional to 977,261.81, 1,346,936.67 and 649,989.11

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Solution

The fourth proportional to 977,261.81, 1,346,936.67 and 649,989.11 is: 895,864.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,261.81 : 1,346,936.67 = 649,989.11 : x
  2. Step 2: Convert to fraction form
    977,261.81/1,346,936.67 = 649,989.11/x
  3. Step 3: Cross multiply
    977,261.81x = 1,346,936.67 × 649,989.11
  4. Step 4: Simplify right side
    977,261.81x = 875,494,170,727.01
  5. Step 5: Solve for x
    x = 875,494,170,727.01/977,261.81
  6. Step 6: Final answer
    x = 895,864.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.