Home / 946,771.86-1,306,148.79-578,970.40

Finding the Fourth Proportional to 946,771.86, 1,306,148.79 and 578,970.40

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Solution

The fourth proportional to 946,771.86, 1,306,148.79 and 578,970.40 is: 798,736.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,771.86 : 1,306,148.79 = 578,970.40 : x
  2. Step 2: Convert to fraction form
    946,771.86/1,306,148.79 = 578,970.40/x
  3. Step 3: Cross multiply
    946,771.86x = 1,306,148.79 × 578,970.40
  4. Step 4: Simplify right side
    946,771.86x = 756,221,487,405.82
  5. Step 5: Solve for x
    x = 756,221,487,405.82/946,771.86
  6. Step 6: Final answer
    x = 798,736.76

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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.