Home / 540,731.81-746,214.72-299,030.64

Finding the Fourth Proportional to 540,731.81, 746,214.72 and 299,030.64

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Solution

The fourth proportional to 540,731.81, 746,214.72 and 299,030.64 is: 412,664.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,731.81 : 746,214.72 = 299,030.64 : x
  2. Step 2: Convert to fraction form
    540,731.81/746,214.72 = 299,030.64/x
  3. Step 3: Cross multiply
    540,731.81x = 746,214.72 × 299,030.64
  4. Step 4: Simplify right side
    540,731.81x = 223,141,065,299.02
  5. Step 5: Solve for x
    x = 223,141,065,299.02/540,731.81
  6. Step 6: Final answer
    x = 412,664.95

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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.