Home / 873,000.30-1,308,528.45-340,344.30

Finding the Fourth Proportional to 873,000.30, 1,308,528.45 and 340,344.30

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Solution

The fourth proportional to 873,000.30, 1,308,528.45 and 340,344.30 is: 510,137.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,000.30 : 1,308,528.45 = 340,344.30 : x
  2. Step 2: Convert to fraction form
    873,000.30/1,308,528.45 = 340,344.30/x
  3. Step 3: Cross multiply
    873,000.30x = 1,308,528.45 × 340,344.30
  4. Step 4: Simplify right side
    873,000.30x = 445,350,199,345.34
  5. Step 5: Solve for x
    x = 445,350,199,345.34/873,000.30
  6. Step 6: Final answer
    x = 510,137.51

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1.5x scale

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.