Home / 873,666.25-1,309,964.25-340,564.50

Finding the Fourth Proportional to 873,666.25, 1,309,964.25 and 340,564.50

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Solution

The fourth proportional to 873,666.25, 1,309,964.25 and 340,564.50 is: 510,638.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,666.25 : 1,309,964.25 = 340,564.50 : x
  2. Step 2: Convert to fraction form
    873,666.25/1,309,964.25 = 340,564.50/x
  3. Step 3: Cross multiply
    873,666.25x = 1,309,964.25 × 340,564.50
  4. Step 4: Simplify right side
    873,666.25x = 446,127,319,180.57
  5. Step 5: Solve for x
    x = 446,127,319,180.57/873,666.25
  6. Step 6: Final answer
    x = 510,638.15

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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.