Home / 776,379.76-1,071,401.86-436,848.04

Finding the Fourth Proportional to 776,379.76, 1,071,401.86 and 436,848.04

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Solution

The fourth proportional to 776,379.76, 1,071,401.86 and 436,848.04 is: 602,849.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,379.76 : 1,071,401.86 = 436,848.04 : x
  2. Step 2: Convert to fraction form
    776,379.76/1,071,401.86 = 436,848.04/x
  3. Step 3: Cross multiply
    776,379.76x = 1,071,401.86 × 436,848.04
  4. Step 4: Simplify right side
    776,379.76x = 468,039,802,593.35
  5. Step 5: Solve for x
    x = 468,039,802,593.35/776,379.76
  6. Step 6: Final answer
    x = 602,849.05

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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.