Home / 854,267.28-1,178,549.80-491,495.92

Finding the Fourth Proportional to 854,267.28, 1,178,549.80 and 491,495.92

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Solution

The fourth proportional to 854,267.28, 1,178,549.80 and 491,495.92 is: 678,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,267.28 : 1,178,549.80 = 491,495.92 : x
  2. Step 2: Convert to fraction form
    854,267.28/1,178,549.80 = 491,495.92/x
  3. Step 3: Cross multiply
    854,267.28x = 1,178,549.80 × 491,495.92
  4. Step 4: Simplify right side
    854,267.28x = 579,252,418,216.82
  5. Step 5: Solve for x
    x = 579,252,418,216.82/854,267.28
  6. Step 6: Final answer
    x = 678,069.30

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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.