Home / 850,342.69-1,173,472.80-468,369.47

Finding the Fourth Proportional to 850,342.69, 1,173,472.80 and 468,369.47

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Solution

The fourth proportional to 850,342.69, 1,173,472.80 and 468,369.47 is: 646,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,342.69 : 1,173,472.80 = 468,369.47 : x
  2. Step 2: Convert to fraction form
    850,342.69/1,173,472.80 = 468,369.47/x
  3. Step 3: Cross multiply
    850,342.69x = 1,173,472.80 × 468,369.47
  4. Step 4: Simplify right side
    850,342.69x = 549,618,827,528.05
  5. Step 5: Solve for x
    x = 549,618,827,528.05/850,342.69
  6. Step 6: Final answer
    x = 646,349.80

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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.