Home / 815,946.16-1,224,140.72-247,345.83

Finding the Fourth Proportional to 815,946.16, 1,224,140.72 and 247,345.83

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Solution

The fourth proportional to 815,946.16, 1,224,140.72 and 247,345.83 is: 371,085.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,946.16 : 1,224,140.72 = 247,345.83 : x
  2. Step 2: Convert to fraction form
    815,946.16/1,224,140.72 = 247,345.83/x
  3. Step 3: Cross multiply
    815,946.16x = 1,224,140.72 × 247,345.83
  4. Step 4: Simplify right side
    815,946.16x = 302,786,096,304.49
  5. Step 5: Solve for x
    x = 302,786,096,304.49/815,946.16
  6. Step 6: Final answer
    x = 371,085.88

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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.