Home / 915,423.39-1,263,324.29-507,499.29

Finding the Fourth Proportional to 915,423.39, 1,263,324.29 and 507,499.29

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Solution

The fourth proportional to 915,423.39, 1,263,324.29 and 507,499.29 is: 700,371.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,423.39 : 1,263,324.29 = 507,499.29 : x
  2. Step 2: Convert to fraction form
    915,423.39/1,263,324.29 = 507,499.29/x
  3. Step 3: Cross multiply
    915,423.39x = 1,263,324.29 × 507,499.29
  4. Step 4: Simplify right side
    915,423.39x = 641,136,177,677.26
  5. Step 5: Solve for x
    x = 641,136,177,677.26/915,423.39
  6. Step 6: Final answer
    x = 700,371.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.