Home / 726,477.23-1,089,484.29-240,068.78

Finding the Fourth Proportional to 726,477.23, 1,089,484.29 and 240,068.78

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Solution

The fourth proportional to 726,477.23, 1,089,484.29 and 240,068.78 is: 360,026.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,477.23 : 1,089,484.29 = 240,068.78 : x
  2. Step 2: Convert to fraction form
    726,477.23/1,089,484.29 = 240,068.78/x
  3. Step 3: Cross multiply
    726,477.23x = 1,089,484.29 × 240,068.78
  4. Step 4: Simplify right side
    726,477.23x = 261,551,169,219.33
  5. Step 5: Solve for x
    x = 261,551,169,219.33/726,477.23
  6. Step 6: Final answer
    x = 360,026.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.