Home / 832,068.99-1,147,890.42-487,730.34

Finding the Fourth Proportional to 832,068.99, 1,147,890.42 and 487,730.34

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Solution

The fourth proportional to 832,068.99, 1,147,890.42 and 487,730.34 is: 672,854.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,068.99 : 1,147,890.42 = 487,730.34 : x
  2. Step 2: Convert to fraction form
    832,068.99/1,147,890.42 = 487,730.34/x
  3. Step 3: Cross multiply
    832,068.99x = 1,147,890.42 × 487,730.34
  4. Step 4: Simplify right side
    832,068.99x = 559,860,984,829.34
  5. Step 5: Solve for x
    x = 559,860,984,829.34/832,068.99
  6. Step 6: Final answer
    x = 672,854.04

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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.