Home / 909,945.10-1,255,665.88-502,046.88

Finding the Fourth Proportional to 909,945.10, 1,255,665.88 and 502,046.88

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Solution

The fourth proportional to 909,945.10, 1,255,665.88 and 502,046.88 is: 692,792.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,945.10 : 1,255,665.88 = 502,046.88 : x
  2. Step 2: Convert to fraction form
    909,945.10/1,255,665.88 = 502,046.88/x
  3. Step 3: Cross multiply
    909,945.10x = 1,255,665.88 × 502,046.88
  4. Step 4: Simplify right side
    909,945.10x = 630,403,137,376.45
  5. Step 5: Solve for x
    x = 630,403,137,376.45/909,945.10
  6. Step 6: Final answer
    x = 692,792.50

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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.