Home / 435,826.89-653,345.78-302,769.45

Finding the Fourth Proportional to 435,826.89, 653,345.78 and 302,769.45

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Solution

The fourth proportional to 435,826.89, 653,345.78 and 302,769.45 is: 453,880.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,826.89 : 653,345.78 = 302,769.45 : x
  2. Step 2: Convert to fraction form
    435,826.89/653,345.78 = 302,769.45/x
  3. Step 3: Cross multiply
    435,826.89x = 653,345.78 × 302,769.45
  4. Step 4: Simplify right side
    435,826.89x = 197,813,140,956.57
  5. Step 5: Solve for x
    x = 197,813,140,956.57/435,826.89
  6. Step 6: Final answer
    x = 453,880.07

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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.