Home / 718,026.70-1,077,036.72-212,590.76

Finding the Fourth Proportional to 718,026.70, 1,077,036.72 and 212,590.76

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Solution

The fourth proportional to 718,026.70, 1,077,036.72 and 212,590.76 is: 318,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,026.70 : 1,077,036.72 = 212,590.76 : x
  2. Step 2: Convert to fraction form
    718,026.70/1,077,036.72 = 212,590.76/x
  3. Step 3: Cross multiply
    718,026.70x = 1,077,036.72 × 212,590.76
  4. Step 4: Simplify right side
    718,026.70x = 228,968,054,852.71
  5. Step 5: Solve for x
    x = 228,968,054,852.71/718,026.70
  6. Step 6: Final answer
    x = 318,885.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.