Home / 779,003.24-1,075,203.78-456,817.12

Finding the Fourth Proportional to 779,003.24, 1,075,203.78 and 456,817.12

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Solution

The fourth proportional to 779,003.24, 1,075,203.78 and 456,817.12 is: 630,512.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,003.24 : 1,075,203.78 = 456,817.12 : x
  2. Step 2: Convert to fraction form
    779,003.24/1,075,203.78 = 456,817.12/x
  3. Step 3: Cross multiply
    779,003.24x = 1,075,203.78 × 456,817.12
  4. Step 4: Simplify right side
    779,003.24x = 491,171,494,192.71
  5. Step 5: Solve for x
    x = 491,171,494,192.71/779,003.24
  6. Step 6: Final answer
    x = 630,512.77

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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.