Home / 925,333.60-1,388,000.40-326,970.40

Finding the Fourth Proportional to 925,333.60, 1,388,000.40 and 326,970.40

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Solution

The fourth proportional to 925,333.60, 1,388,000.40 and 326,970.40 is: 490,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,333.60 : 1,388,000.40 = 326,970.40 : x
  2. Step 2: Convert to fraction form
    925,333.60/1,388,000.40 = 326,970.40/x
  3. Step 3: Cross multiply
    925,333.60x = 1,388,000.40 × 326,970.40
  4. Step 4: Simplify right side
    925,333.60x = 453,835,045,988.16
  5. Step 5: Solve for x
    x = 453,835,045,988.16/925,333.60
  6. Step 6: Final answer
    x = 490,455.60

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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.