Home / 909,763.46-1,255,453.47-501,865.62

Finding the Fourth Proportional to 909,763.46, 1,255,453.47 and 501,865.62

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Solution

The fourth proportional to 909,763.46, 1,255,453.47 and 501,865.62 is: 692,563.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,763.46 : 1,255,453.47 = 501,865.62 : x
  2. Step 2: Convert to fraction form
    909,763.46/1,255,453.47 = 501,865.62/x
  3. Step 3: Cross multiply
    909,763.46x = 1,255,453.47 × 501,865.62
  4. Step 4: Simplify right side
    909,763.46x = 630,068,934,102.70
  5. Step 5: Solve for x
    x = 630,068,934,102.70/909,763.46
  6. Step 6: Final answer
    x = 692,563.46

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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.