Home / 778,181.07-1,073,707.04-472,250.55

Finding the Fourth Proportional to 778,181.07, 1,073,707.04 and 472,250.55

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Solution

The fourth proportional to 778,181.07, 1,073,707.04 and 472,250.55 is: 651,594.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,181.07 : 1,073,707.04 = 472,250.55 : x
  2. Step 2: Convert to fraction form
    778,181.07/1,073,707.04 = 472,250.55/x
  3. Step 3: Cross multiply
    778,181.07x = 1,073,707.04 × 472,250.55
  4. Step 4: Simplify right side
    778,181.07x = 507,058,745,385.90
  5. Step 5: Solve for x
    x = 507,058,745,385.90/778,181.07
  6. Step 6: Final answer
    x = 651,594.81

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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.