Home / 559,237.20-771,827.86-404,690.28

Finding the Fourth Proportional to 559,237.20, 771,827.86 and 404,690.28

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Solution

The fourth proportional to 559,237.20, 771,827.86 and 404,690.28 is: 558,530.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,237.20 : 771,827.86 = 404,690.28 : x
  2. Step 2: Convert to fraction form
    559,237.20/771,827.86 = 404,690.28/x
  3. Step 3: Cross multiply
    559,237.20x = 771,827.86 × 404,690.28
  4. Step 4: Simplify right side
    559,237.20x = 312,351,232,775.20
  5. Step 5: Solve for x
    x = 312,351,232,775.20/559,237.20
  6. Step 6: Final answer
    x = 558,530.86

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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.