Home / 910,109.61-1,255,942.71-502,214.94

Finding the Fourth Proportional to 910,109.61, 1,255,942.71 and 502,214.94

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Solution

The fourth proportional to 910,109.61, 1,255,942.71 and 502,214.94 is: 693,051.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,109.61 : 1,255,942.71 = 502,214.94 : x
  2. Step 2: Convert to fraction form
    910,109.61/1,255,942.71 = 502,214.94/x
  3. Step 3: Cross multiply
    910,109.61x = 1,255,942.71 × 502,214.94
  4. Step 4: Simplify right side
    910,109.61x = 630,753,192,746.09
  5. Step 5: Solve for x
    x = 630,753,192,746.09/910,109.61
  6. Step 6: Final answer
    x = 693,051.90

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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.