Home / 559,317.98-771,876.63-304,677.34

Finding the Fourth Proportional to 559,317.98, 771,876.63 and 304,677.34

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Solution

The fourth proportional to 559,317.98, 771,876.63 and 304,677.34 is: 420,464.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,317.98 : 771,876.63 = 304,677.34 : x
  2. Step 2: Convert to fraction form
    559,317.98/771,876.63 = 304,677.34/x
  3. Step 3: Cross multiply
    559,317.98x = 771,876.63 × 304,677.34
  4. Step 4: Simplify right side
    559,317.98x = 235,173,318,436.56
  5. Step 5: Solve for x
    x = 235,173,318,436.56/559,317.98
  6. Step 6: Final answer
    x = 420,464.43

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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.