Home / 746,961.45-1,030,886.63-456,743.12

Finding the Fourth Proportional to 746,961.45, 1,030,886.63 and 456,743.12

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Solution

The fourth proportional to 746,961.45, 1,030,886.63 and 456,743.12 is: 630,354.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,961.45 : 1,030,886.63 = 456,743.12 : x
  2. Step 2: Convert to fraction form
    746,961.45/1,030,886.63 = 456,743.12/x
  3. Step 3: Cross multiply
    746,961.45x = 1,030,886.63 × 456,743.12
  4. Step 4: Simplify right side
    746,961.45x = 470,850,371,739.91
  5. Step 5: Solve for x
    x = 470,850,371,739.91/746,961.45
  6. Step 6: Final answer
    x = 630,354.31

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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.