Home / 884,300.05-1,326,730.45-315,668.96

Finding the Fourth Proportional to 884,300.05, 1,326,730.45 and 315,668.96

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Solution

The fourth proportional to 884,300.05, 1,326,730.45 and 315,668.96 is: 473,603.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,300.05 : 1,326,730.45 = 315,668.96 : x
  2. Step 2: Convert to fraction form
    884,300.05/1,326,730.45 = 315,668.96/x
  3. Step 3: Cross multiply
    884,300.05x = 1,326,730.45 × 315,668.96
  4. Step 4: Simplify right side
    884,300.05x = 418,807,621,805.72
  5. Step 5: Solve for x
    x = 418,807,621,805.72/884,300.05
  6. Step 6: Final answer
    x = 473,603.53

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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.