Home / 545,426.45-752,681.31-300,406.50

Finding the Fourth Proportional to 545,426.45, 752,681.31 and 300,406.50

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Solution

The fourth proportional to 545,426.45, 752,681.31 and 300,406.50 is: 414,557.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,426.45 : 752,681.31 = 300,406.50 : x
  2. Step 2: Convert to fraction form
    545,426.45/752,681.31 = 300,406.50/x
  3. Step 3: Cross multiply
    545,426.45x = 752,681.31 × 300,406.50
  4. Step 4: Simplify right side
    545,426.45x = 226,110,357,952.52
  5. Step 5: Solve for x
    x = 226,110,357,952.52/545,426.45
  6. Step 6: Final answer
    x = 414,557.01

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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.