Home / 909,986.48-1,255,788.08-502,103.47

Finding the Fourth Proportional to 909,986.48, 1,255,788.08 and 502,103.47

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Solution

The fourth proportional to 909,986.48, 1,255,788.08 and 502,103.47 is: 692,906.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,986.48 : 1,255,788.08 = 502,103.47 : x
  2. Step 2: Convert to fraction form
    909,986.48/1,255,788.08 = 502,103.47/x
  3. Step 3: Cross multiply
    909,986.48x = 1,255,788.08 × 502,103.47
  4. Step 4: Simplify right side
    909,986.48x = 630,535,543,763.18
  5. Step 5: Solve for x
    x = 630,535,543,763.18/909,986.48
  6. Step 6: Final answer
    x = 692,906.50

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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.