Home / 689,095.20-1,031,893.20-657,602.40

Finding the Fourth Proportional to 689,095.20, 1,031,893.20 and 657,602.40

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Solution

The fourth proportional to 689,095.20, 1,031,893.20 and 657,602.40 is: 984,733.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,095.20 : 1,031,893.20 = 657,602.40 : x
  2. Step 2: Convert to fraction form
    689,095.20/1,031,893.20 = 657,602.40/x
  3. Step 3: Cross multiply
    689,095.20x = 1,031,893.20 × 657,602.40
  4. Step 4: Simplify right side
    689,095.20x = 678,575,444,863.68
  5. Step 5: Solve for x
    x = 678,575,444,863.68/689,095.20
  6. Step 6: Final answer
    x = 984,733.96

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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.