Home / 769,916.37-1,062,491.46-425,775.45

Finding the Fourth Proportional to 769,916.37, 1,062,491.46 and 425,775.45

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Solution

The fourth proportional to 769,916.37, 1,062,491.46 and 425,775.45 is: 587,573.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,916.37 : 1,062,491.46 = 425,775.45 : x
  2. Step 2: Convert to fraction form
    769,916.37/1,062,491.46 = 425,775.45/x
  3. Step 3: Cross multiply
    769,916.37x = 1,062,491.46 × 425,775.45
  4. Step 4: Simplify right side
    769,916.37x = 452,382,779,502.66
  5. Step 5: Solve for x
    x = 452,382,779,502.66/769,916.37
  6. Step 6: Final answer
    x = 587,573.92

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Double scale
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1.5x scale

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.