Home / 744,288.60-1,116,432.90-245,587.80

Finding the Fourth Proportional to 744,288.60, 1,116,432.90 and 245,587.80

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Solution

The fourth proportional to 744,288.60, 1,116,432.90 and 245,587.80 is: 368,381.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,288.60 : 1,116,432.90 = 245,587.80 : x
  2. Step 2: Convert to fraction form
    744,288.60/1,116,432.90 = 245,587.80/x
  3. Step 3: Cross multiply
    744,288.60x = 1,116,432.90 × 245,587.80
  4. Step 4: Simplify right side
    744,288.60x = 274,182,299,758.62
  5. Step 5: Solve for x
    x = 274,182,299,758.62/744,288.60
  6. Step 6: Final answer
    x = 368,381.70

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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.