Home / 909,937.44-1,255,704.92-502,042.56

Finding the Fourth Proportional to 909,937.44, 1,255,704.92 and 502,042.56

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Solution

The fourth proportional to 909,937.44, 1,255,704.92 and 502,042.56 is: 692,813.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,937.44 : 1,255,704.92 = 502,042.56 : x
  2. Step 2: Convert to fraction form
    909,937.44/1,255,704.92 = 502,042.56/x
  3. Step 3: Cross multiply
    909,937.44x = 1,255,704.92 × 502,042.56
  4. Step 4: Simplify right side
    909,937.44x = 630,417,312,641.40
  5. Step 5: Solve for x
    x = 630,417,312,641.40/909,937.44
  6. Step 6: Final answer
    x = 692,813.91

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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.