Home / 778,172.27-1,073,849.81-433,989.50

Finding the Fourth Proportional to 778,172.27, 1,073,849.81 and 433,989.50

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Solution

The fourth proportional to 778,172.27, 1,073,849.81 and 433,989.50 is: 598,889.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,172.27 : 1,073,849.81 = 433,989.50 : x
  2. Step 2: Convert to fraction form
    778,172.27/1,073,849.81 = 433,989.50/x
  3. Step 3: Cross multiply
    778,172.27x = 1,073,849.81 × 433,989.50
  4. Step 4: Simplify right side
    778,172.27x = 466,039,534,577.80
  5. Step 5: Solve for x
    x = 466,039,534,577.80/778,172.27
  6. Step 6: Final answer
    x = 598,889.93

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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.