Home / 762,747.02-1,052,514.24-456,815.57

Finding the Fourth Proportional to 762,747.02, 1,052,514.24 and 456,815.57

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Solution

The fourth proportional to 762,747.02, 1,052,514.24 and 456,815.57 is: 630,359.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,747.02 : 1,052,514.24 = 456,815.57 : x
  2. Step 2: Convert to fraction form
    762,747.02/1,052,514.24 = 456,815.57/x
  3. Step 3: Cross multiply
    762,747.02x = 1,052,514.24 × 456,815.57
  4. Step 4: Simplify right side
    762,747.02x = 480,804,887,216.15
  5. Step 5: Solve for x
    x = 480,804,887,216.15/762,747.02
  6. Step 6: Final answer
    x = 630,359.58

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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.