Home / 939,491.52-1,409,233.46-340,312.44

Finding the Fourth Proportional to 939,491.52, 1,409,233.46 and 340,312.44

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Solution

The fourth proportional to 939,491.52, 1,409,233.46 and 340,312.44 is: 510,467.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,491.52 : 1,409,233.46 = 340,312.44 : x
  2. Step 2: Convert to fraction form
    939,491.52/1,409,233.46 = 340,312.44/x
  3. Step 3: Cross multiply
    939,491.52x = 1,409,233.46 × 340,312.44
  4. Step 4: Simplify right side
    939,491.52x = 479,579,677,302.24
  5. Step 5: Solve for x
    x = 479,579,677,302.24/939,491.52
  6. Step 6: Final answer
    x = 510,467.28

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Double scale
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Similar ratio
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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.