Home / 873,338.40-1,309,748.40-340,552.80

Finding the Fourth Proportional to 873,338.40, 1,309,748.40 and 340,552.80

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Solution

The fourth proportional to 873,338.40, 1,309,748.40 and 340,552.80 is: 510,728.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,338.40 : 1,309,748.40 = 340,552.80 : x
  2. Step 2: Convert to fraction form
    873,338.40/1,309,748.40 = 340,552.80/x
  3. Step 3: Cross multiply
    873,338.40x = 1,309,748.40 × 340,552.80
  4. Step 4: Simplify right side
    873,338.40x = 446,038,484,915.52
  5. Step 5: Solve for x
    x = 446,038,484,915.52/873,338.40
  6. Step 6: Final answer
    x = 510,728.13

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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.