Home / 719,801.81-1,077,607.38-377,433.37

Finding the Fourth Proportional to 719,801.81, 1,077,607.38 and 377,433.37

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Solution

The fourth proportional to 719,801.81, 1,077,607.38 and 377,433.37 is: 565,051.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,801.81 : 1,077,607.38 = 377,433.37 : x
  2. Step 2: Convert to fraction form
    719,801.81/1,077,607.38 = 377,433.37/x
  3. Step 3: Cross multiply
    719,801.81x = 1,077,607.38 × 377,433.37
  4. Step 4: Simplify right side
    719,801.81x = 406,724,983,083.10
  5. Step 5: Solve for x
    x = 406,724,983,083.10/719,801.81
  6. Step 6: Final answer
    x = 565,051.35

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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.