Home / 779,480.34-1,075,437.96-457,204.02

Finding the Fourth Proportional to 779,480.34, 1,075,437.96 and 457,204.02

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Solution

The fourth proportional to 779,480.34, 1,075,437.96 and 457,204.02 is: 630,797.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,480.34 : 1,075,437.96 = 457,204.02 : x
  2. Step 2: Convert to fraction form
    779,480.34/1,075,437.96 = 457,204.02/x
  3. Step 3: Cross multiply
    779,480.34x = 1,075,437.96 × 457,204.02
  4. Step 4: Simplify right side
    779,480.34x = 491,694,558,572.60
  5. Step 5: Solve for x
    x = 491,694,558,572.60/779,480.34
  6. Step 6: Final answer
    x = 630,797.90

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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.