Home / 832,153.20-1,148,006.04-487,814.64

Finding the Fourth Proportional to 832,153.20, 1,148,006.04 and 487,814.64

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Solution

The fourth proportional to 832,153.20, 1,148,006.04 and 487,814.64 is: 672,970.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,153.20 : 1,148,006.04 = 487,814.64 : x
  2. Step 2: Convert to fraction form
    832,153.20/1,148,006.04 = 487,814.64/x
  3. Step 3: Cross multiply
    832,153.20x = 1,148,006.04 × 487,814.64
  4. Step 4: Simplify right side
    832,153.20x = 560,014,153,120.43
  5. Step 5: Solve for x
    x = 560,014,153,120.43/832,153.20
  6. Step 6: Final answer
    x = 672,970.02

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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.