Home / 882,156.78-1,219,031.28-720,953.01

Finding the Fourth Proportional to 882,156.78, 1,219,031.28 and 720,953.01

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Solution

The fourth proportional to 882,156.78, 1,219,031.28 and 720,953.01 is: 996,267.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,156.78 : 1,219,031.28 = 720,953.01 : x
  2. Step 2: Convert to fraction form
    882,156.78/1,219,031.28 = 720,953.01/x
  3. Step 3: Cross multiply
    882,156.78x = 1,219,031.28 × 720,953.01
  4. Step 4: Simplify right side
    882,156.78x = 878,864,270,600.15
  5. Step 5: Solve for x
    x = 878,864,270,600.15/882,156.78
  6. Step 6: Final answer
    x = 996,267.66

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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.