Home / 778,258.55-1,073,994.03-434,094.21

Finding the Fourth Proportional to 778,258.55, 1,073,994.03 and 434,094.21

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Solution

The fourth proportional to 778,258.55, 1,073,994.03 and 434,094.21 is: 599,048.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,258.55 : 1,073,994.03 = 434,094.21 : x
  2. Step 2: Convert to fraction form
    778,258.55/1,073,994.03 = 434,094.21/x
  3. Step 3: Cross multiply
    778,258.55x = 1,073,994.03 × 434,094.21
  4. Step 4: Simplify right side
    778,258.55x = 466,214,589,997.57
  5. Step 5: Solve for x
    x = 466,214,589,997.57/778,258.55
  6. Step 6: Final answer
    x = 599,048.47

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1.5x scale

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.