Home / 909,942.61-1,255,717.26-502,069.83

Finding the Fourth Proportional to 909,942.61, 1,255,717.26 and 502,069.83

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Solution

The fourth proportional to 909,942.61, 1,255,717.26 and 502,069.83 is: 692,854.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,942.61 : 1,255,717.26 = 502,069.83 : x
  2. Step 2: Convert to fraction form
    909,942.61/1,255,717.26 = 502,069.83/x
  3. Step 3: Cross multiply
    909,942.61x = 1,255,717.26 × 502,069.83
  4. Step 4: Simplify right side
    909,942.61x = 630,457,751,885.21
  5. Step 5: Solve for x
    x = 630,457,751,885.21/909,942.61
  6. Step 6: Final answer
    x = 692,854.41

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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.