Home / 779,714.36-1,075,891.30-435,507.88

Finding the Fourth Proportional to 779,714.36, 1,075,891.30 and 435,507.88

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Solution

The fourth proportional to 779,714.36, 1,075,891.30 and 435,507.88 is: 600,936.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,714.36 : 1,075,891.30 = 435,507.88 : x
  2. Step 2: Convert to fraction form
    779,714.36/1,075,891.30 = 435,507.88/x
  3. Step 3: Cross multiply
    779,714.36x = 1,075,891.30 × 435,507.88
  4. Step 4: Simplify right side
    779,714.36x = 468,559,139,173.44
  5. Step 5: Solve for x
    x = 468,559,139,173.44/779,714.36
  6. Step 6: Final answer
    x = 600,936.91

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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.