Home / 556,281.40-767,664.06-301,631.80

Finding the Fourth Proportional to 556,281.40, 767,664.06 and 301,631.80

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Solution

The fourth proportional to 556,281.40, 767,664.06 and 301,631.80 is: 416,249.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,281.40 : 767,664.06 = 301,631.80 : x
  2. Step 2: Convert to fraction form
    556,281.40/767,664.06 = 301,631.80/x
  3. Step 3: Cross multiply
    556,281.40x = 767,664.06 × 301,631.80
  4. Step 4: Simplify right side
    556,281.40x = 231,551,892,213.11
  5. Step 5: Solve for x
    x = 231,551,892,213.11/556,281.40
  6. Step 6: Final answer
    x = 416,249.57

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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.