Home / 927,370.71-1,390,654.98-320,223.06

Finding the Fourth Proportional to 927,370.71, 1,390,654.98 and 320,223.06

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Solution

The fourth proportional to 927,370.71, 1,390,654.98 and 320,223.06 is: 480,196.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,370.71 : 1,390,654.98 = 320,223.06 : x
  2. Step 2: Convert to fraction form
    927,370.71/1,390,654.98 = 320,223.06/x
  3. Step 3: Cross multiply
    927,370.71x = 1,390,654.98 × 320,223.06
  4. Step 4: Simplify right side
    927,370.71x = 445,319,793,099.84
  5. Step 5: Solve for x
    x = 445,319,793,099.84/927,370.71
  6. Step 6: Final answer
    x = 480,196.09

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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.